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You're listening to Weird and 
Dead, the paleontology podcast 

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that tells evolutions most 
embarrassing and bizarre 

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stories. 
I'm Megan Weatherill. 

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And I'm Amy Atwater, and we're 
two living scientists who are 

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weirdly excited about dead 
things. 

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On this episode we talk about 
surprising animals that traverse

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that fine line between 
opportunistic snacker and full 

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on predator mode. 
How the fuck does a sloth hunt? 

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We also discussed scientists who
went full Sherlock Holmes on a 

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turd full of sloth theoderms, 
and then a whole different set 

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of scientists who were just 
stabbing slabs of meat and 

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throwing knives for science. 
Like always, our podcast is 

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gross and we curse. 
I realize we just cursed 

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directly in the intro and we 
talk about horrific things. 

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So choose your listening 
audience wisely and pay 

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attention to the warnings in the
description. 

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Today's episode starts with 
carnivorous armadillos. 

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And I thought that was just 
going to be the full stop 

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because I found out about them. 
It was like, that's crazy, but 

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it kind of went real sideways in
a way that you are going to be 

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really excited about. 
So the carnivorous armadillo is 

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called macro Euphrates euphratus
micro macro. 

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Why do we not practice these 
things? 

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Because this is hilarious. 
I mean you can't even see the 

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spilling the spell. 
Like who's the? 

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Yep. 
Macro Euphrates. 

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Let's go with that Macro 
Euphrates. 

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Sounds beautiful. 
Which Euphrates is I guess one 

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of the modern armadillos. 
So it's just big, big, big 

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armadillo. 
And this was a big boy. 

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This is the biggest of the true 
armadillos. 

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Because the reason that I read 
about Macro Euphrates is I had 

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heard while I was at that 
conference that someone was 

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talking about pampatheers. 
And I was like, what the fuck is

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a pampatheer? 
Because she was trying to figure

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out if the bone that had washed 
up in Georgia was a pampatheer. 

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And a pampatheer is not an 
armadillo. 

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But you know how like 
brontatheers are not rhinos, but

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they look fucking identical. 
And they're very closely 

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related. 
So I mean this, it's only not a 

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rhino to OK, OK, OK. 
So it's it's an armadillo for 

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every general audience person on
the street. 

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Yes, it's an armadillo, but it's
technically. 

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Not yes. 
So giant armadillos AKA 

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pampatheers get up into like I 
think the low 1000. 

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That's their name, Pampatheers. 
I mean, can we just talk about 

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how sick that is? 
That's got a nice ring to it. 

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I well, maybe that's why I like.
It pamper ears. 

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Is that your neck? 
Deep in Pampers these God God 

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damn it. 
You're probably right. 

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You're probably like, oh, that's
cute and comfortable and full 

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of. 
Shit, it is. 

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I'm like, oh, the one I changed 
this morning. 

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Let me tell you anyway. 
Pampathy. 

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So yeah, Pampatheers. 
So I went and looked up 

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Pampatheers and somehow Google 
Scholar was like, actually, 

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would you rather know about this
giant armadillo that was 

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carnivorous? 
And yes, yeah, I would. 

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Yeah, I would. 
So Macro Euphrates is 

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carnivorous. 
We think all other armadillos 

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for the most part are right. 
All Never. 

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Very excited for this. 
And do they differ at all 

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amongst dentition and others? 
So how would you know just 

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morphologically, if they're 
eating that good, just pure meat

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diet, Yeah, keto. 
Yeah, the keto, right. 

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So like I always have found it 
kind of funny that there's like 

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this distinction between 
insectivorous and carnivorous 

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and insectivorous and 
pisgiverous, which is fish 

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eating. 
Like those are not good enough 

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animals to be. 
Considered Noctis eating? 

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Is that what you're trying to? 
Clarify It is not fish. 

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So it's seems a little arbitrary
to me, although it really is 

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related to dentition, right? 
It's are your teeth made for 

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slicing and dicing or are your 
teeth meant for stabbing and 

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chomping? 
And it's not just your teeth, 

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right? 
So if you want to eat meat, just

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generally lots of animals eat 
meat that you might not expect. 

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Horses pretty well known for 
eating baby chickens. 

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That's a thing. 
That's a thing that happens. 

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Deer will kill. 
Birds know that. 

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But yeah, I did know that. 
I did know that. 

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I do know that these terms are 
more like guidelines. 

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They are not. 
They're not rules. 

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These animals don't know. 
We call them vegetarians. 

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They're offended. 
Yeah, if you guys ever see like 

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a chipmunk or a squirrel in the 
middle of a road standing next 

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to a dead chipmunk, that's not a
funeral, that's a feast. 

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They are eating it. 
Yeah, right. 

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So yeah, facultative omnibory 
use, every part is a lot more 

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common than you might expect. 
The issue comes in with, well, 

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what if you want to kill 
something to eat it? 

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You can still be a horse and you
can eat a chick, but like if you

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want to be regularly hunting 
your prey, you need to have some

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adaptations. 
Now macroeuphritis, which is 

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from the Pliocene of some spot 
in South America that I forgot 

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to write down, but it is from 
the Pliocene. 

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It's not very well known. 
The biggest species is only got 

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like one skull and a couple of 
just enough of the body to tell 

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that it definitely still had the
weird armadillo shell, but not 

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enough to be like, and it had 
stabbing claws, but just just 

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enough to be like, yeah, double 
check armadillo. 

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But they did have a skull. 
And there are some other smaller

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species where they have the jaw.
So they looked at the skull and 

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the jaw of macroephritis and 
they were like, OK, well it's 

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got all of this muscle mass 
migration for biting force at 

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the front of its mouth. 
So if you want to be able to 

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bite and kill something if your 
prey is running away, you 

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usually need to be able to stop 
it from doing that. 

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So having bite force 
concentrated in the front in 

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your mouth is a good thing for 
predators to have. 

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Meanwhile, herbivores tend to 
concentrate their bite force 

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towards the back end because 
that's where they're doing the 

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vast Midori of their chewing 
like. 

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But they have to pluck that 
vegetation. 

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They have to pluck it. 
What? 

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About the bite force there. 
But the Bush doesn't try to run 

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away. 
You don't. 

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Grass doesn't try to evict. 
It might. 

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And if they miss? 
Silent Bro, They. 

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Can go back for a second shot. 
No pressure, and they don't have

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things like Saber teeth to 
conveniently just get a nice 

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kill shot that will just get 
straight to the point. 

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So they need to grab it. 
Yeah, bite it. 

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OK, OK, I I'm following. 
Yeah. 

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So you're looking at a lot of 
muscle force action stuff. 

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And then of course you're always
looking at teeth. 

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So I want you to Scroll down 1st
to the first page and this is. 

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Not even there yet and I already
have. 

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Questions. 
Yeah, so we've got the skull of.

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OK, great. 
No big idea how big the scale 

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bar is. 
No fucking idea. 

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They did not write down how big 
the scale bar was and pissed me 

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off. 
It did this for every single. 

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Photo This could be any size, 
could be any size. 

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OK, this was one of my question.
I have so many questions, but 

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I'm looking at I'm looking at a 
skull from looking up into the 

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roof of the mouth and then down 
onto the roof of the skull and 

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then a side shot. 
So three different views. 

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The scale bar is not helpful. 
So yeah, you're like my mind 

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wants to make it like rodent 
sized. 

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I would say just size has kind 
of a rodent. 

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This big animal was, I think I 
said four. 

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I think it's £200. 
Oh. 

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OK, OK, she thick. 
All right, so yeah, exactly. 

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So it's hard to hard to bloody 
tell, but this is one of my 

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questions is that armadillos are
xenarthrins right along with our

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friends the slots and they have 
teeth a dentine spitting lyrics 

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like a machine. 
So are these motherfuckers teeth

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also dentine? 
Yes, and then how did they do 

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any? 
Then how do you to any? 

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OK, continue. 
I'm excited. 

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Right. 
So, OK, so First off, let's talk

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about the skull, because the 
teeth is what led me down this 

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rabbit hole that I think you're 
already going down. 

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But with the skull, let's cover 
that first. 

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Looking at the skull, you can 
see that it's a little bit. 

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It's beefier, it's thicker. 
The zygomatic arches are 

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actually pretty thick for an 
armadillo. 

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Yeah, the snout is really 
robust. 

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So it's meant for, like, 
resisting biting. 

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And tell me what you're seeing 
with these teeth, which as you 

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pointed out, these do not have 
dentine or they do they have 

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dentine, they have no enamel 
because Xenarthrins at some 

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point said I don't need the hard
part of my teeth. 

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I think they said I don't need 
teeth at all. 

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And then that would they re 
evolve them? 

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Yeah, they only got the soft 
inner gooey bits, but. 

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This is all we got. 
But they don't have the hard cap

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that we have on our teeth. 
But what else do you see with 

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those teeth? 
I mean some of them, I mean they

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kind of look like what slots do,
which is they seem pretty sharp.

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They look like self sharpening 
teeth and then the side view 

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shows that the canine position 
is a or what I would think is 

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the canine position is like a 
larger Fang like tooth as well. 

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So it definitely looks bitey and
grabby. 

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Yeah, so xenarthrins, so sloths,
armadillos, glyptodons, which 

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are not armadillos but look like
armadillos because there's quite

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a few animals that are just 
like, yeah, well, I don't have a

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shell. 
This. 

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Works. 
Yeah. 

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I love this. 
This is a great look. 

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I'm gonna go. 
Fashion niece it does of the 

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evolutionary. 
I like being part both. 

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So there's a lot of animals in 
Zen Arthra, and they all have 

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that thing in common. 
They don't have enamel. 

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You know what else they don't 
have with teeth? 

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Real incisors and they just seem
to have just a disgusting just 

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that either could be a giant 
incisor or it's it's nasals 

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already opening. 
All of their teeth look like 

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nasty pegs. 
Yeah, Yeah. 

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So it's not clear, at least not 
from the reading that I did, 

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whether xenarthrins branched off
from other mammals before the 

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basic tribosphenic dentition 
happened, or if they. 

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That would make them very. 
Old, right. 

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So tribosphenic dentition is 
what you see in marsupials, but 

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it's it's the idea that each 
tooth has more than one point to

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it. 
And it's like specially set up 

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in AV, but for the purposes of 
what we're talking. 

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About beautiful It's gorgeous. 
It's lovely. 

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It's just like you did it, you 
did it, you figured it out. 

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Good job. 
It's complex dentition whereas 

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xenarthrins they got pegs of 
denting. 

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At Yeah, they are. 
Pegs is a good way of describing

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it. 
Yeah. 

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I would almost say homodont in a
way. 

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Like every tooth looks the same,
which is not mammalian. 

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Yeah, most mammals have got. 
And that's what makes us so 

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great. 
And that's when I laugh at 

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dinosaur people. 
And I'm like, you don't know how

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old your individual is. 
Yeah. 

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You think that's a different 
species? 

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Yeah, it's great. 
Yeah. 

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So if you look carefully on this
armadillo, you'll notice that 

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that big stabby canine, it has 
pretty clear facets on it, like 

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bevels, and it is a little bit 
not as round. 

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Like that's the best that they 
can fucking do. 

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Like they can't make complex 
teeth, but they can make their 

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teeth a little bit more like a 
stabby knife and a little bit 

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less like a stabby pole. 
So that tooth that is a little 

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bit more elongated, a little bit
more blade like not Gray, but a 

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little bit more is right where 
the the vast majority of the 

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bite force, I guess is 
concentrated. 

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So that's it's biting tooth. 
And they argue that yes, other 

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00:11:36,600 --> 00:11:41,400
armadillos are known to eat what
comes up and to be omnivorous, 

225
00:11:41,400 --> 00:11:45,400
but no other armadillo, 
regardless of how omnivorous 

226
00:11:45,400 --> 00:11:48,640
they are, has bothered to change
their teeth shape and their 

227
00:11:48,640 --> 00:11:51,560
skull shape to be more effective
at biting because other 

228
00:11:51,560 --> 00:11:55,160
armadillos are eating what is 
small or already dead. 

229
00:11:55,160 --> 00:11:58,360
They're scavenging carrion. 
So that's the idea here is that 

230
00:11:58,360 --> 00:12:02,280
this one has taken it the next 
step forward and is not just 

231
00:12:02,480 --> 00:12:05,560
scavenging carrion, but is 
actually eating flesh. 

232
00:12:06,040 --> 00:12:09,440
Oh, delightful. 
Yeah, it's going that extra, 

233
00:12:09,440 --> 00:12:12,400
extra mile. 
And these were probably like 

234
00:12:12,400 --> 00:12:15,160
other armadillos, fossorial or 
burrowing. 

235
00:12:15,440 --> 00:12:18,120
So it's like fucking this will 
not make sense to you, but it's 

236
00:12:18,120 --> 00:12:20,080
like tremors. 
It's like this. 

237
00:12:20,120 --> 00:12:21,720
Burrowing. 
Oh, I do. 

238
00:12:22,000 --> 00:12:23,360
I do. 
Generally get that? 

239
00:12:23,680 --> 00:12:27,280
I think I have seen that one. 
So yes, because isn't it like 

240
00:12:27,280 --> 00:12:29,520
largely geology? 
So I think that's what my. 

241
00:12:29,600 --> 00:12:32,200
One of the main characters in 
the first one was a geologist, 

242
00:12:32,240 --> 00:12:34,240
yeah. 
Yeah, I think you made me. 

243
00:12:34,320 --> 00:12:39,240
That sounds right. 
I really like so stupid. 

244
00:12:39,400 --> 00:12:42,480
But I yeah, that whole phase 
that you also made me watch that

245
00:12:42,480 --> 00:12:46,080
one paranormal show, Is that 
what it was called? 

246
00:12:46,080 --> 00:12:50,040
I have no idea whatever happened
to that show, but it was highly 

247
00:12:50,040 --> 00:12:52,280
entertaining. 
I don't know, but I liked so 

248
00:12:52,280 --> 00:12:55,200
many paranormal shows that I 
really that's not a very good 

249
00:12:55,200 --> 00:12:56,880
description, so it could have 
been any. 

250
00:12:56,880 --> 00:12:59,080
Portal. 
It was in the United Kingdom. 

251
00:12:59,080 --> 00:13:01,280
They were all British. 
Oh, it was primeval. 

252
00:13:01,360 --> 00:13:05,080
There were dinosaurs in it. 
I don't remember that. 

253
00:13:05,640 --> 00:13:09,760
OK, well, you really, we just 
saw that there was a portal and 

254
00:13:09,760 --> 00:13:13,360
it blacked out that there were 
dinosaurs and fossil mammals 

255
00:13:13,360 --> 00:13:16,400
coming through it, but. 
Nope. 

256
00:13:17,120 --> 00:13:18,720
OK, but I got there. 
It's fine. 

257
00:13:19,360 --> 00:13:21,240
They were all real pissy when 
they got through. 

258
00:13:21,240 --> 00:13:23,920
So, you know, then they did some
damage. 

259
00:13:23,960 --> 00:13:26,680
And if this animal had come 
through, our Gophers would have 

260
00:13:26,680 --> 00:13:30,280
been in serious trouble because 
it was theoretically good at 

261
00:13:30,280 --> 00:13:33,960
digging and biting. 
So when I was looking at these 

262
00:13:34,040 --> 00:13:37,720
these pegs and remembering that 
OK, Zen arthrans have some 

263
00:13:37,720 --> 00:13:42,400
limited, it reminded me slots 
have fucking insane looking 

264
00:13:42,400 --> 00:13:43,320
teeth. 
Yeah, they do. 

265
00:13:43,320 --> 00:13:46,280
They look like they should be 
able to kill you Yeah, They 

266
00:13:46,320 --> 00:13:49,160
they're very similar to this. 
They're very sharp. 

267
00:13:49,520 --> 00:13:52,200
They have wear facets on them 
and. 

268
00:13:52,200 --> 00:13:54,400
They're self sharpening. 
That's like their whole deal. 

269
00:13:54,400 --> 00:13:56,920
Yeah, they're self sharpening 
and sure, they're not as hard as

270
00:13:56,920 --> 00:13:59,960
enamel, but they are still rocks
in your face. 

271
00:14:00,480 --> 00:14:05,040
So that made me go and kind of 
think, well, I wonder if there 

272
00:14:05,040 --> 00:14:08,000
are some slots that are 
omnivores, right, carnivores. 

273
00:14:08,360 --> 00:14:10,440
Like I'd always heard that they 
were all herbivores. 

274
00:14:10,480 --> 00:14:15,560
Yeah, like, yeah, the worst. 
Yeah, so the very first paper 

275
00:14:15,560 --> 00:14:19,760
that came up when I was looking 
up Sloth Omnivore is a paper 

276
00:14:19,760 --> 00:14:25,480
from 2021 in Scientific Reports,
which is like science is not 

277
00:14:25,480 --> 00:14:27,600
quite as cool a cousin. 
So it's still a pretty good 

278
00:14:27,600 --> 00:14:31,080
journal. 
And it was an amino acid study 

279
00:14:31,160 --> 00:14:34,520
on the various, like basically 
an isotope study. 

280
00:14:34,520 --> 00:14:38,200
They looked at the isotopes of 
amino acids of these different 

281
00:14:38,200 --> 00:14:42,600
sloths, both modern and fossil, 
and they looked to see whether 

282
00:14:42,600 --> 00:14:46,080
or not they were lining up with 
being herbivores or omnivores 

283
00:14:46,320 --> 00:14:47,480
and. 
Love it. 

284
00:14:47,560 --> 00:14:50,520
I looked at that table for a 
long time and was really 

285
00:14:50,560 --> 00:14:53,320
confused. 
So the two living sloths are 

286
00:14:53,320 --> 00:14:58,160
Brady Pus I. 
Know best name Good job God 

287
00:14:58,280 --> 00:15:02,200
Brady Pus. 
And then Collopus, which fun 

288
00:15:02,200 --> 00:15:07,160
fact, when I wrote an episode 
about sloths for PBS eons, I 

289
00:15:07,160 --> 00:15:10,480
told them to say it as Chilopus 
because I just wasn't thinking 

290
00:15:10,480 --> 00:15:13,240
and they got genuinely upset 
with me because they thought 

291
00:15:13,240 --> 00:15:16,120
that I was trying to make them. 
Sounds too calopus is so. 

292
00:15:16,120 --> 00:15:18,880
Much better, I know. 
And I was like, Oh no, I guess I

293
00:15:18,880 --> 00:15:21,200
had been saying Chilopus. 
But you're right, it's probably 

294
00:15:21,200 --> 00:15:23,240
Calopus. 
Don't ask me to explain that. 

295
00:15:23,240 --> 00:15:26,440
Go. 
Ask a goddamn sloth hunter. 

296
00:15:26,440 --> 00:15:28,400
Yeah. 
Yeah, I'm guessing just as much 

297
00:15:28,400 --> 00:15:31,160
as you are. 
So anyways, Calopus Chilopus, 

298
00:15:31,520 --> 00:15:33,960
the three, the two toed Sloth 
and Brady. 

299
00:15:34,120 --> 00:15:37,840
That was also one that they 
analyzed and Brady the three 

300
00:15:37,840 --> 00:15:42,240
toad slot. 
So Brady puss so stupid. 

301
00:15:42,440 --> 00:15:45,560
There's no like now that I've 
said it so many times, I can't 

302
00:15:45,560 --> 00:15:48,000
think of a different way to say 
it that doesn't sound stupid, 

303
00:15:48,280 --> 00:15:53,920
but it's Brady looking animal. 
So, Bradipus, that just sounds 

304
00:15:53,920 --> 00:15:57,480
like I'm trying too hard. 
Yeah, make a person who travels 

305
00:15:57,480 --> 00:15:59,400
to France for the first time and
starts saying it. 

306
00:15:59,400 --> 00:16:00,880
Croissant. 
Pradipus. 

307
00:16:01,440 --> 00:16:04,320
Bradipus. 
So they looked at Bradypus and 

308
00:16:04,320 --> 00:16:07,440
Nothra theory OPS, and Bradypus 
and Nothra theory OPS came back 

309
00:16:07,440 --> 00:16:10,000
pretty similar as hardcore 
herbivores. 

310
00:16:10,000 --> 00:16:14,080
And then Shalopus came back as 
not quite as herbivorous. 

311
00:16:14,120 --> 00:16:18,400
And then Mylodon came back as 
slightly lower than Shalopus. 

312
00:16:18,640 --> 00:16:21,920
And I was really confused 
looking at this because I was 

313
00:16:21,920 --> 00:16:24,440
like, well, why are you saying? 
Because the paper's title is 

314
00:16:24,440 --> 00:16:26,360
Mylodon is definitely an 
omnivore. 

315
00:16:26,480 --> 00:16:29,280
Like, okay, well, it's not that 
far off from Chilopus. 

316
00:16:29,280 --> 00:16:30,360
Why do you think it's an 
omnivore? 

317
00:16:30,400 --> 00:16:35,360
Amy Chilopus is an omnivore. 
Oh my God, we never knew. 

318
00:16:35,960 --> 00:16:38,800
So relatable. 
I did not know that when we went

319
00:16:38,800 --> 00:16:40,920
down to Costa Rica to go let's 
not. 

320
00:16:41,240 --> 00:16:47,320
Let's not talk about that trip. 
Yeah, Brady Pus is a strict 

321
00:16:47,320 --> 00:16:50,440
herbivore. 
Jalopus is omnivorous to the 

322
00:16:50,440 --> 00:16:54,720
extent that they kept saying in 
the paper that this was a zoo 

323
00:16:54,720 --> 00:16:58,160
animal that was fed an 
omnivorous diet, a zoo animal 

324
00:16:58,160 --> 00:17:01,120
fed an omnivorous diet. 
So they I guess won't won't do 

325
00:17:01,120 --> 00:17:03,920
very well in a zoo if you're not
giving them some mermaid. 

326
00:17:03,920 --> 00:17:06,960
What are they doing in the 
fucking wild? 

327
00:17:06,960 --> 00:17:10,160
They go like they don't move, 
they're asleep all the time. 

328
00:17:10,319 --> 00:17:12,839
Are they just eating the moths 
that live and. 

329
00:17:12,920 --> 00:17:14,680
They're just crawls into their 
mouths, right? 

330
00:17:14,680 --> 00:17:16,160
Like they have a all those moths
on them. 

331
00:17:16,839 --> 00:17:18,520
Right. 
But that's like, I'm like, is 

332
00:17:18,520 --> 00:17:22,000
that how that's how easy it is 
to be an omnivore. 

333
00:17:22,000 --> 00:17:24,359
You just hang out with your 
mouth open and like meet. 

334
00:17:25,520 --> 00:17:30,520
I guess. 
I should try, Never mind, not 

335
00:17:30,560 --> 00:17:33,160
gonna finish. 
That like algae growing on them 

336
00:17:33,160 --> 00:17:35,560
so. 
Right, Right. 

337
00:17:35,880 --> 00:17:38,400
Yeah, My God. 
So I came up with a little rhyme

338
00:17:38,400 --> 00:17:42,240
to help myself remember, but 
does not apply to fossil sloths.

339
00:17:42,240 --> 00:17:45,640
I just got excited about it for 
modern ones and that is if the 

340
00:17:45,640 --> 00:17:50,200
toes are three it only eats tree
so that's pretty good. 

341
00:17:51,280 --> 00:17:54,360
If the toes are two, it might 
eat you. 

342
00:17:55,440 --> 00:17:57,440
If you're slow enough, you fall 
into it. 

343
00:17:57,600 --> 00:18:01,200
But you have to stand there. 
You have to stay up there and 

344
00:18:01,200 --> 00:18:03,520
put whatever meat you're. 
It makes sense though. 

345
00:18:03,520 --> 00:18:07,320
Chelopus are the mean ones. 
Those are the butthole eye ones.

346
00:18:10,160 --> 00:18:14,440
You got butt holes for eyes? 
Yes, and as a side note, they 

347
00:18:14,480 --> 00:18:18,120
looked at amino acids from the 
hair of these animals, including

348
00:18:18,120 --> 00:18:21,400
the fossil ones, which just 
seems like the weirdest drug 

349
00:18:21,400 --> 00:18:28,560
test ever. 
OK, so I was like OK, so 

350
00:18:28,560 --> 00:18:32,640
Myelodon is an omnivore. 
I wonder what else is out there.

351
00:18:32,640 --> 00:18:35,360
Jalopus is apparently an 
omnivore and I never knew that. 

352
00:18:35,640 --> 00:18:40,000
And so a kind of semi side 
quest, one more content and you 

353
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365
00:19:17,720 --> 00:19:21,080
And so a kind of semi side 
quest, I started looking at 

366
00:19:21,080 --> 00:19:23,720
osteoderms because I got 
distracted and I was interested.

367
00:19:23,720 --> 00:19:27,520
It happens, yeah. 
And a side quest took me to this

368
00:19:27,520 --> 00:19:31,520
paper on a coprolite full of 
osteoderms. 

369
00:19:31,560 --> 00:19:34,600
And this is going to be relevant
later, but I want. 

370
00:19:34,600 --> 00:19:37,360
Because I mean, a good 
zenarthrin does have the 

371
00:19:37,360 --> 00:19:39,760
capacity for osteoderms, so. 
Exactly. 

372
00:19:39,760 --> 00:19:43,240
Yeah, so osteoderms are it's 
Bony skin. 

373
00:19:43,240 --> 00:19:48,200
So armadillos have osteoderms, 
Pamphythias and bosteoderms do 

374
00:19:48,200 --> 00:19:51,440
nots have osteoderms and slot 
giant ground sloths have 

375
00:19:51,440 --> 00:19:53,480
osteoderms. 
Tree slots do not. 

376
00:19:53,480 --> 00:19:55,320
They seem to have lost them 
secondarily. 

377
00:19:56,320 --> 00:19:58,880
Sorry, buddies. 
You want to guess how big those 

378
00:19:58,880 --> 00:20:05,680
fucking scale bars are? 
This is poop. 

379
00:20:05,680 --> 00:20:09,000
I'm looking at the scale bar. 
I hope that that's like an inch,

380
00:20:09,000 --> 00:20:10,840
which isn't usually what they 
use. 

381
00:20:10,840 --> 00:20:13,320
Probably something metric that's
probably like, maybe, I don't 

382
00:20:13,320 --> 00:20:16,320
know, 2cm. 
I hope maybe a centimeter. 

383
00:20:16,440 --> 00:20:18,600
It's a great guest and it 
depends on which panel you're 

384
00:20:18,600 --> 00:20:22,400
looking at because the scale bar
changes and isn't. 

385
00:20:22,400 --> 00:20:25,280
Labeled accurately on and then 
they don't define it. 

386
00:20:25,440 --> 00:20:27,880
I would have gotten chewed out 
for this. 

387
00:20:28,040 --> 00:20:31,160
Yeah, Hey guys, if you're gonna 
have a scale bar, write the 

388
00:20:31,160 --> 00:20:33,840
number. 
Oh how how big it's supposed to 

389
00:20:33,840 --> 00:20:36,680
be. 
So the poop that scale bar is 3 

390
00:20:36,680 --> 00:20:38,800
centimeters. 
OK, OK, OK. 

391
00:20:39,240 --> 00:20:41,680
Yeah. 
So it's a pretty a pretty solid.

392
00:20:41,680 --> 00:20:43,960
Turd. 
It is good, it looks nice, it is

393
00:20:43,960 --> 00:20:47,480
classic turd shaped. 
You would not mistake it. 

394
00:20:47,480 --> 00:20:49,560
If someone handed that to you, 
you'd be like you, gross. 

395
00:20:50,320 --> 00:20:54,480
Yeah, so why don't you describe 
that that classic turd to our 

396
00:20:54,480 --> 00:20:56,440
audience? 
Yeah, we've got a nice 

397
00:20:56,440 --> 00:21:00,600
cylindrical log here, but that's
got a little bend in it. 

398
00:21:00,600 --> 00:21:05,080
But then the other two shots are
a zoom in at the different ends 

399
00:21:05,080 --> 00:21:09,640
of the shit and it is 
conglomeratic, I would say. 

400
00:21:09,640 --> 00:21:14,200
Like it is there's it's full of 
large clasps is how I and 

401
00:21:14,200 --> 00:21:16,840
they're pretty rounded. 
They're rounded. 

402
00:21:17,080 --> 00:21:20,840
Yeah, it does it. 
Someone did eat corn. 

403
00:21:20,880 --> 00:21:23,240
Yeah, I know you don't remember,
but you did. 

404
00:21:23,560 --> 00:21:27,360
So yeah. 
Yes, very corn like very much 

405
00:21:27,360 --> 00:21:30,960
Yes, It's beautiful. 
Yeah, so one of the funny things

406
00:21:30,960 --> 00:21:33,760
about this paper is, I mean, 
they they concluded that it was 

407
00:21:33,760 --> 00:21:36,320
some sort of big predator that 
ate a sloth. 

408
00:21:36,320 --> 00:21:38,960
Those are sloth osteoderms. 
They couldn't, I think, tell 

409
00:21:38,960 --> 00:21:42,400
which ones. 
But this poop they said in the 

410
00:21:42,400 --> 00:21:46,040
highlight section which is like 
above the abstract, it's more 

411
00:21:46,240 --> 00:21:47,400
more. 
Condensed. 

412
00:21:47,400 --> 00:21:49,000
Like pinpointing than the 
abstract. 

413
00:21:49,800 --> 00:21:54,200
Then they said it was identified
as a large carnivore coprolite 

414
00:21:54,200 --> 00:21:58,880
through a multi proxy analysis. 
Amy, can you guess the multi 

415
00:21:59,040 --> 00:22:01,320
proxy analysis might have 
included? 

416
00:22:01,840 --> 00:22:05,720
That guy looks at it, that guy 
looks at it, that guy looks at 

417
00:22:05,720 --> 00:22:07,680
it, and they all said it look 
like poop. 

418
00:22:07,960 --> 00:22:09,320
I mean, fair. 
Yeah. 

419
00:22:09,520 --> 00:22:14,480
So they all agreed it was poop. 
In fact, I didn't actually see 

420
00:22:14,480 --> 00:22:17,520
that defended anywhere in the 
quick scheme of the paper. 

421
00:22:18,320 --> 00:22:22,000
But specifically for calling it 
a carnivore poop, they said, 

422
00:22:22,000 --> 00:22:25,200
well, it's shaped like a tube. 
That's not the term that they 

423
00:22:25,200 --> 00:22:26,880
used. 
Cylindrical, I think is what 

424
00:22:26,880 --> 00:22:33,280
they said. 
It's really big, and then it's 

425
00:22:33,280 --> 00:22:37,200
full of phosphorus, and 
phosphorus makes sense because 

426
00:22:37,200 --> 00:22:40,280
phosphorus, carnivorin poops. 
You often find that in there 

427
00:22:40,520 --> 00:22:44,000
because it's a a decomposed form
of bone. 

428
00:22:44,000 --> 00:22:46,640
Yeah. 
So it's very much like, why 

429
00:22:46,640 --> 00:22:51,720
don't I use this DNA analysis to
identify the beetle when I have 

430
00:22:51,720 --> 00:22:54,600
the whole darkling beetle? 
Because you don't need to know 

431
00:22:54,600 --> 00:22:57,360
that there's phosphorus in it. 
You can fucking see bone. 

432
00:22:57,360 --> 00:22:59,520
You can see bone there. 
You don't have to, right? 

433
00:22:59,520 --> 00:23:05,240
Exactly, exactly like those. 
No, whoever ate this like found 

434
00:23:05,240 --> 00:23:08,840
a rotting dead thing with 
osteoderms and just ate just 

435
00:23:08,840 --> 00:23:12,600
took out those osteoderms and 
swallowed them without. 

436
00:23:12,760 --> 00:23:16,680
Yeah, no, no, it obviously 
consumed a lot of bone. 

437
00:23:17,000 --> 00:23:19,480
It's still. 
There so so shaped like a tube 

438
00:23:19,640 --> 00:23:22,640
really big has bone in it. 
I mean that sounds like a 

439
00:23:22,640 --> 00:23:25,280
carnivore to me, but I did think
that was pretty funny. 

440
00:23:25,680 --> 00:23:27,800
Multi proxy. 
Multi approach. 

441
00:23:27,800 --> 00:23:31,480
Especially when the proxy was 
Why don't we talk about fossils 

442
00:23:31,760 --> 00:23:34,520
instead of the fact that it has 
bone in it? 

443
00:23:34,560 --> 00:23:36,320
Right. 
So yeah, it's really going 

444
00:23:36,320 --> 00:23:38,440
around. 
The next analysis is going to be

445
00:23:38,440 --> 00:23:41,160
they're going to just go take a 
shit and they're going to eat a 

446
00:23:41,160 --> 00:23:45,040
lot of armadillo and then go and
be like, what does it look like?

447
00:23:45,200 --> 00:23:48,320
I kept looking and this is about
where I started to get back on 

448
00:23:48,320 --> 00:23:51,760
track and simultaneously so far 
off of it. 

449
00:23:52,280 --> 00:23:55,720
So I found a paper that said, 
OK, you know, like there's some 

450
00:23:55,720 --> 00:23:57,400
like variation in different 
sloths. 

451
00:23:57,400 --> 00:23:59,840
They did notice that Milodon had
a little bit more bite force. 

452
00:23:59,840 --> 00:24:02,000
So that kind of seems to match 
up with the the fact that it 

453
00:24:02,000 --> 00:24:04,360
seems to be omnivorous. 
And they also found that 

454
00:24:04,360 --> 00:24:10,920
Megatherium had pretty insane 
bite force, like really strong 

455
00:24:10,920 --> 00:24:11,840
bite force. 
Nice. 

456
00:24:12,080 --> 00:24:14,080
Right at the tip of its mouth. 
Nice. 

457
00:24:14,520 --> 00:24:20,440
And also Megatherium, as it 
turns out, has a larger occlusal

458
00:24:20,440 --> 00:24:24,000
area of its teeth, so its teeth 
have more surface area. 

459
00:24:24,360 --> 00:24:27,080
Like than would scale. 
OK, that's exactly. 

460
00:24:27,080 --> 00:24:28,720
What? 
Yeah, than you would expect from

461
00:24:28,720 --> 00:24:32,200
scale because. 
And that's a sign of a as well, 

462
00:24:32,200 --> 00:24:35,280
because it means they're not 
doing the herbivore thing of 

463
00:24:35,280 --> 00:24:39,080
like barely chewing and tossing 
it back to ferment. 

464
00:24:39,480 --> 00:24:42,320
It means that, you know, they 
need to be doing some chewing 

465
00:24:42,320 --> 00:24:45,000
and some grinding and they have 
to be doing some work in their 

466
00:24:45,000 --> 00:24:49,080
mouth, which isn't always 
related to carnivore, but it's 

467
00:24:49,080 --> 00:24:52,240
definitely not not a sign 
carnivore. 

468
00:24:52,480 --> 00:24:54,840
And then this is. 
This was why I. 

469
00:24:54,920 --> 00:24:58,560
Texted you so excited. 
You look so excited right now. 

470
00:24:58,560 --> 00:25:05,160
I'm really, Yeah. 
I found my new favorite paper 

471
00:25:05,360 --> 00:25:07,560
and that's what we'll be talking
about pretty much for the rest 

472
00:25:07,560 --> 00:25:10,520
of this. 
So my new favorite paper came up

473
00:25:10,520 --> 00:25:13,960
because it was titled and this 
is in like I don't like Royal 

474
00:25:13,960 --> 00:25:17,320
Proceedings B or something from 
like the 1990s. 

475
00:25:17,320 --> 00:25:20,960
So like a decent tier journal, 
but a little bit older when they

476
00:25:20,960 --> 00:25:23,720
had better senses of humor than 
they currently do. 

477
00:25:23,840 --> 00:25:26,480
It's called Megatherium the 
Stabber. 

478
00:25:29,520 --> 00:25:32,680
Just that. 
That's a second title. 

479
00:25:32,680 --> 00:25:34,000
See. 
It like oh but is this the 

480
00:25:34,040 --> 00:25:37,440
inverse Iguanodon? 
Is this like everyone thought 

481
00:25:37,440 --> 00:25:40,800
Iguanodon's thumb spike was for 
stabbing but it was for 

482
00:25:40,800 --> 00:25:43,440
vegetation? 
Like megatherium but old psych 

483
00:25:43,440 --> 00:25:44,960
it was actually used for 
stabbing. 

484
00:25:45,000 --> 00:25:47,800
That's great. 
If anybody does go and look at 

485
00:25:47,800 --> 00:25:51,160
Iguanodon's stabbing potential, 
they will have to cite this 

486
00:25:51,160 --> 00:25:53,560
paper. 
We gotta get in on that. 

487
00:25:53,560 --> 00:25:55,640
That's hilarious. 
Yeah, Mega theory. 

488
00:25:55,640 --> 00:25:59,320
I'm the stabber, which is how I 
will be referring to myself in 

489
00:25:59,320 --> 00:26:00,440
third person. 
Megan. 

490
00:26:00,440 --> 00:26:03,480
From the stabber. 
If I'm mad I'm going full mega 

491
00:26:03,480 --> 00:26:04,360
theory. 
I'm the stabber. 

492
00:26:05,120 --> 00:26:06,240
I think it's. 
A great name. 

493
00:26:06,400 --> 00:26:09,360
That's right, This is perfect. 
I'm going to get that on a mug 

494
00:26:09,360 --> 00:26:10,600
for you. 
Thank you. 

495
00:26:10,960 --> 00:26:13,720
For whatever reason, possibly 
because of the crazy bite 

496
00:26:13,720 --> 00:26:16,480
forest, possibly because its 
teeth are bigger, possibly just 

497
00:26:16,480 --> 00:26:19,120
because they were like, I don't 
know, its vibes are off. 

498
00:26:19,120 --> 00:26:21,840
The authors of this paper 
thought that maybe there was a 

499
00:26:21,840 --> 00:26:26,160
chance that Megatherium was 
carnivorous, not just scavenging

500
00:26:26,160 --> 00:26:28,400
carnivorous, but maybe actively 
hunting. 

501
00:26:28,440 --> 00:26:32,280
And they decided to take a look 
at its arms. 

502
00:26:32,360 --> 00:26:36,080
Now, most giant ground sloths do
have pretty scary hand claws. 

503
00:26:36,120 --> 00:26:38,240
Yeah. 
I don't know, huge if 

504
00:26:38,240 --> 00:26:43,200
megatheriums are scarier than 
anything else, but like, the 

505
00:26:43,200 --> 00:26:47,480
going hypothesis is that they're
using them to pull down tree 

506
00:26:47,480 --> 00:26:51,360
branches. 
Which is why every fucking sloth

507
00:26:51,400 --> 00:26:55,280
illustration looks like the 
sloth is a pole dancer that just

508
00:26:55,280 --> 00:26:56,760
hasn't quite gotten off the 
ground. 

509
00:26:56,960 --> 00:27:02,320
That pole dancer has got an 
apple shaped pear shaped body 

510
00:27:02,720 --> 00:27:06,120
for sure. 
They got that huge apple. 

511
00:27:06,120 --> 00:27:06,800
Bottom. 
Jeans. 

512
00:27:06,800 --> 00:27:07,440
Apple. 
Yeah. 

513
00:27:07,600 --> 00:27:10,320
Yes, yes, yes, yes. 
That's beautiful. 

514
00:27:10,320 --> 00:27:14,000
Hilariously. 
I have a like a stuffed ground. 

515
00:27:14,080 --> 00:27:15,560
I'll have to send you a picture 
afterwards. 

516
00:27:15,560 --> 00:27:18,080
I have a stuffed ground sloth 
like stuffed animal. 

517
00:27:18,280 --> 00:27:20,520
And I realized the other day 
that if I put it next to my 

518
00:27:20,520 --> 00:27:23,840
lamp, it also looks like a pole 
dancer because it's arm is up in

519
00:27:23,840 --> 00:27:27,000
the classic ground sloth pose. 
So yeah, pole dancers of the 

520
00:27:27,000 --> 00:27:31,480
past and maybe carnivorous. 
So for whatever reason they 

521
00:27:31,600 --> 00:27:35,800
wanted to look at. 
OK, well, if this animal is 

522
00:27:35,800 --> 00:27:39,440
using those claws not for 
manhandling trees or whatever, 

523
00:27:39,440 --> 00:27:43,200
but is using them for stabbing 
and they specifically said 

524
00:27:43,200 --> 00:27:46,280
because it's it's talons are 
really I guess they're narrow 

525
00:27:46,320 --> 00:27:48,560
and they're like more slender 
and knife like. 

526
00:27:48,600 --> 00:27:51,280
I don't know from the way that 
they described it if it's more 

527
00:27:51,280 --> 00:27:53,040
knife like than other ground 
slots. 

528
00:27:53,040 --> 00:27:55,360
Fair. 
OK, I've seen the fire number, 

529
00:27:55,360 --> 00:27:58,640
but I can't, like, I can't 
readily pull that. 

530
00:27:58,640 --> 00:28:01,400
Yes, yeah, seen some pretty 
fucking big ones. 

531
00:28:01,760 --> 00:28:03,560
Real big. 
Yeah, yeah. 

532
00:28:04,160 --> 00:28:09,720
So they decided to do a study of
its forearms to see whether it 

533
00:28:09,720 --> 00:28:12,880
was built for power, which 
presumably you'd need a lot of 

534
00:28:12,880 --> 00:28:17,200
strength to RIP a tree down so 
you could eat it, or for speed, 

535
00:28:17,400 --> 00:28:21,480
AKA for stabbing. 
What if the tree is falling 

536
00:28:21,480 --> 00:28:24,960
really quickly and maybe it's 
for those trees, Yeah. 

537
00:28:24,960 --> 00:28:27,680
Yeah, like a little ninja. 
Yeah, right, Right. 

538
00:28:27,960 --> 00:28:29,600
Yes. 
Maybe it's scissors. 

539
00:28:29,880 --> 00:28:31,560
Maybe that's what they were 
using them for is they didn't 

540
00:28:31,560 --> 00:28:33,000
want to chew. 
They just used them as little 

541
00:28:33,000 --> 00:28:35,800
scissorhands. 
Didn't think about that. 

542
00:28:36,520 --> 00:28:40,920
So they discovered that it was 
built for speed rather than for 

543
00:28:40,920 --> 00:28:47,040
strength, and that it could have
generated about 2700 joules of 

544
00:28:47,040 --> 00:28:48,680
force. 
And this is about where the 

545
00:28:48,680 --> 00:28:51,760
paper descends into some of the 
stupidest sentences that I've 

546
00:28:51,760 --> 00:28:54,520
ever read in my life. 
But like purposefully. 

547
00:28:54,520 --> 00:28:55,880
Stupid, I was gonna say it's 
still your. 

548
00:28:55,920 --> 00:28:57,840
Favorite. 
Like I had to go and look up the

549
00:28:57,840 --> 00:29:01,040
author's name and the word me 
too to make sure that there 

550
00:29:01,040 --> 00:29:04,760
wasn't like some obvious thing 
because I was fangirling a 

551
00:29:04,760 --> 00:29:07,560
little bit by how stupid. 
I love that is actually. 

552
00:29:07,560 --> 00:29:09,200
I hate that that's your order of
events. 

553
00:29:09,200 --> 00:29:10,000
That's really. 
Depressing. 

554
00:29:10,000 --> 00:29:11,480
I know, right? 
Yep. 

555
00:29:11,680 --> 00:29:14,880
So I'm gonna read you some 
sentences, right? 

556
00:29:14,960 --> 00:29:16,240
So they. 
Because I have no car. 

557
00:29:16,240 --> 00:29:19,120
They wanted to make certain. 
Jewels mean that's. 

558
00:29:19,200 --> 00:29:21,520
Not yeah, they were like, well, 
we wanted to make certain that 

559
00:29:21,680 --> 00:29:24,720
that was sufficient to penetrate
soft tissues. 

560
00:29:24,760 --> 00:29:28,360
Also just backing up, I should 
point out that this is the 90s 

561
00:29:28,360 --> 00:29:32,680
where I feel like this sort of 
thing was less frowned upon, 

562
00:29:33,080 --> 00:29:36,960
where instead of just going to 
sight, how much force does it 

563
00:29:36,960 --> 00:29:39,920
take to cut meat, They were 
like, I know how to cut meat, 

564
00:29:40,120 --> 00:29:43,920
how much force can I make? 
I'm a human being, how strong am

565
00:29:43,920 --> 00:29:44,840
I? 
Great, wonderful. 

566
00:29:44,880 --> 00:29:48,840
So an experiment was done in 
which one of the authors RAF a 

567
00:29:48,840 --> 00:29:53,600
100 kilogram, a 38 year old male
paleontologist with no special 

568
00:29:53,600 --> 00:29:56,480
training in any sporting 
discipline, threw into the air 

569
00:29:56,480 --> 00:29:59,920
an object of 1 kilogram up to a 
height of 2 meters by the 

570
00:29:59,920 --> 00:30:02,280
actions of his right tricep. 
Hello. 

571
00:30:02,440 --> 00:30:05,120
Gross. 
This is so. 

572
00:30:05,200 --> 00:30:08,160
I hate everything about that. 
That's terrible. 

573
00:30:08,680 --> 00:30:11,760
Amy, it sounds like he's tossing
knives in his kitchen for. 

574
00:30:14,120 --> 00:30:16,320
Yeah. 
His right tricep alone. 

575
00:30:16,560 --> 00:30:19,320
Why don't you just? 
Say like, how do you I also just

576
00:30:19,320 --> 00:30:21,560
I'm like, what do you mean? 
Right, tricep alone. 

577
00:30:21,560 --> 00:30:25,320
I mean, that's also really hard.
How did you how did you freeze 

578
00:30:25,320 --> 00:30:30,400
all the other muscles in your 
arm to make sure it was just the

579
00:30:30,400 --> 00:30:33,600
right tricep? 
And again, right, this is just 

580
00:30:33,600 --> 00:30:37,040
ridiculous of just like, or it's
one of these things where you're

581
00:30:37,040 --> 00:30:38,560
just like, oh, shit, I don't 
know. 

582
00:30:38,560 --> 00:30:40,400
We really need to have a source 
for this. 

583
00:30:40,400 --> 00:30:42,440
OK, OK, Fred, take off your 
shirt. 

584
00:30:42,640 --> 00:30:45,880
This knife here anyway, that's 
stupid. 

585
00:30:45,960 --> 00:30:49,200
I hate that that's worthless. 
Also, that's like freaking 

586
00:30:49,200 --> 00:30:51,480
meaningless. 
So anyways, he figured that 

587
00:30:51,480 --> 00:30:53,920
that's 20 joules of kinetic 
energy. 

588
00:30:54,520 --> 00:30:59,960
So his sad, measly little arms 
could make 20 joules of kinetic 

589
00:30:59,960 --> 00:31:01,480
energy. 
But he wasn't done. 

590
00:31:01,520 --> 00:31:04,200
He wasn't done with the. 
Experience way smaller than 

591
00:31:04,200 --> 00:31:05,880
Megatherium. 
Like by own awe. 

592
00:31:07,280 --> 00:31:11,680
Yeah, the same subject he, he 
was concerned that OK, well that

593
00:31:11,680 --> 00:31:14,200
doesn't necessarily tell you 
about meat, right? 

594
00:31:14,680 --> 00:31:18,200
The same subject stabbed a 10 
centimeter thick muscle of 

595
00:31:18,200 --> 00:31:22,680
domestic cattle covered with fur
with a a kitchen knife, using 

596
00:31:22,680 --> 00:31:26,080
again only the energy produced 
by his right tricep. 

597
00:31:26,600 --> 00:31:29,960
Maybe he was fucking tired after
throwing all those knives in the

598
00:31:30,000 --> 00:31:33,040
air and he wasn't able. 
OK but wait, what? 

599
00:31:33,040 --> 00:31:35,480
This is like a hunk of meat with
flesh still on it? 

600
00:31:35,720 --> 00:31:37,520
Or is this? 
Yeah, see, that's, that's the 

601
00:31:37,520 --> 00:31:39,680
thing that kind of confused me 
at first, because at first I was

602
00:31:39,680 --> 00:31:42,600
like, this motherfucker is 
pretending to be a giant ground 

603
00:31:42,600 --> 00:31:45,840
sloth and he is stabbing steaks.
Like, that's really what that 

604
00:31:45,840 --> 00:31:49,040
means, right? 
But no, it's covered with fur. 

605
00:31:49,480 --> 00:31:51,640
Is he stabbing cows? 
Is he? 

606
00:31:53,280 --> 00:31:55,480
Is he going outside? 
It's the 90s. 

607
00:31:55,480 --> 00:31:59,600
On a mega theory on the stabber 
mission and stabbing cows. 

608
00:32:01,120 --> 00:32:05,160
You could go check all the 
newspapers in that area at that 

609
00:32:05,280 --> 00:32:08,840
time. 
The murderous, mysterious cow 

610
00:32:08,840 --> 00:32:13,200
Stabber. 
The conclusion that Megatherium 

611
00:32:13,200 --> 00:32:16,520
must have been an efficient 
stabber seems clear, but 

612
00:32:16,520 --> 00:32:19,240
identifying the stabbed is less 
easy. 

613
00:32:19,440 --> 00:32:24,240
Oh my. 
So, Amy, can you guess what they

614
00:32:24,240 --> 00:32:27,040
thought Megatherium might have 
been stabbing? 

615
00:32:27,800 --> 00:32:31,360
I mean, this is dark. 
Each other babies of their own 

616
00:32:31,360 --> 00:32:33,680
kind. 
Yep, so they did look into that.

617
00:32:33,680 --> 00:32:37,400
And there are no healed injuries
on Megatherium, and there's no 

618
00:32:37,400 --> 00:32:39,880
sign of sexual dimorphism. 
They ate all of them. 

619
00:32:39,880 --> 00:32:43,200
There was no evidence left. 
You could see actually all the 

620
00:32:43,400 --> 00:32:46,720
phosphor of their shit. 
They left no piece of spot. 

621
00:32:50,720 --> 00:32:53,040
OK, so they decided it wasn't 
each other. 

622
00:32:53,320 --> 00:32:54,600
Who else? 
Who else might they be? 

623
00:32:54,960 --> 00:32:57,560
Definitely humans. 
Definitely humans. 

624
00:32:57,680 --> 00:32:59,240
Delicious. 
Tasty. 

625
00:32:59,240 --> 00:33:02,640
Weirdly, that didn't come up 
because I think they went 

626
00:33:02,640 --> 00:33:06,440
extinct before. 
At that time, the time that they

627
00:33:06,440 --> 00:33:08,480
thought humans had arrived. 
At this time, I think we know 

628
00:33:08,480 --> 00:33:11,040
that they overlapped, but at 
that time I don't think that 

629
00:33:11,040 --> 00:33:13,240
they thought they had. 
So that one didn't come up. 

630
00:33:13,520 --> 00:33:15,760
Right. 
But are we like skewering like 

631
00:33:15,800 --> 00:33:19,480
chickens here or is it a Saber 
toothed cats that they're 

632
00:33:19,480 --> 00:33:21,880
finally getting the revenge on? 
Yeah. 

633
00:33:23,800 --> 00:33:25,920
All right, great. 
So they were like because. 

634
00:33:25,960 --> 00:33:28,080
They're so abundant, you know, 
maybe it's the stuff. 

635
00:33:29,200 --> 00:33:32,480
Maybe megalodon? 
Or why do I keep saying mega 

636
00:33:32,480 --> 00:33:35,000
theory and the stabber is 
stabbing in defense? 

637
00:33:35,280 --> 00:33:36,800
It's an audible. 
Killer, right? 

638
00:33:36,840 --> 00:33:39,120
Okay, stabbing. 
Sure, sure, sure. 

639
00:33:39,520 --> 00:33:41,600
The Smilodon comes. 
Towards and then they point it 

640
00:33:41,600 --> 00:33:42,600
out. 
Stick their hands up. 

641
00:33:44,760 --> 00:33:48,040
Right. 
It has an adult body mass of 4 

642
00:33:48,040 --> 00:33:50,600
tons, so it should not be 
particularly worried about the 

643
00:33:50,600 --> 00:33:53,600
chance of attack by, say, a 
Saber toothed myelodon. 

644
00:33:53,840 --> 00:33:57,640
By analogy, a 70 kilogram man 
should not be afraid of the 

645
00:33:57,640 --> 00:34:00,880
attack of a six kilogram cat, 
regardless of the latter's 

646
00:34:00,880 --> 00:34:04,280
ferocity. 
Oh my God, so someone has a very

647
00:34:04,280 --> 00:34:09,880
mean cat that's. 
So they're like, OK, they they, 

648
00:34:10,280 --> 00:34:12,639
they could have used it for 
defense, but it seems like kind 

649
00:34:12,639 --> 00:34:16,440
of a waste. 
So yeah, maybe it ran around the

650
00:34:16,440 --> 00:34:22,400
countryside stabbing easy meals.
But they also noticed that with 

651
00:34:22,400 --> 00:34:28,159
the stabbing muscles also came 
strength to like, roll things 

652
00:34:28,159 --> 00:34:32,520
over, essentially. 
OK, like specifically an 

653
00:34:32,679 --> 00:34:35,880
armadillo. 
Yeah, a fucking armadillo. 

654
00:34:36,000 --> 00:34:39,800
OK, OK, so it's so. 
Uh huh. 

655
00:34:40,239 --> 00:34:47,040
They they of course did a test 
again the author RAF, who has no

656
00:34:47,040 --> 00:34:48,520
special training in 
weightlifting. 

657
00:34:48,880 --> 00:34:53,040
We've already defined that this 
guy is a piece of shit. 

658
00:34:56,159 --> 00:35:00,320
Lifted 40 kilograms by the 
action of both his biceps 

659
00:35:00,320 --> 00:35:01,200
muscle. 
Oh my. 

660
00:35:01,400 --> 00:35:05,920
God, not just one tricep, both 
of his biceps. 

661
00:35:06,960 --> 00:35:11,240
So without weightlifting, 
Megatherium could clearly flip 

662
00:35:11,240 --> 00:35:14,200
over things like that, But they 
think that Megatherium would 

663
00:35:14,200 --> 00:35:16,800
have been able to lift or flip 
over things that were on the 

664
00:35:16,800 --> 00:35:21,600
order of 400 to 1000 kilograms, 
and they conclude that therefore

665
00:35:21,600 --> 00:35:25,200
adult glyptodonts basically 
would have been susceptible to 

666
00:35:25,200 --> 00:35:28,080
this fucking cow tipping 
hypothesis. 

667
00:35:28,160 --> 00:35:31,280
I can't stab you, it'll tip you.
So disappointed. 

668
00:35:31,280 --> 00:35:35,680
You are vulnerable. 
That RAF or whatever the fucking

669
00:35:35,680 --> 00:35:39,800
author's initial service was not
that listed as being worthless 

670
00:35:39,800 --> 00:35:43,800
at all sports and then made a 
child dress up in a ninja turtle

671
00:35:43,800 --> 00:35:47,000
costume. 
It saw if he could flip the 

672
00:35:47,000 --> 00:35:51,560
child over. 
Where are the tests? 

673
00:35:51,560 --> 00:35:53,840
Where is the science? 
Where is the test? 

674
00:35:53,840 --> 00:35:55,320
Where's the science? 
Yeah. 

675
00:35:57,720 --> 00:36:01,800
Anyways, so yeah, Megatherium 
the stabber. 

676
00:36:01,800 --> 00:36:05,360
The Megatherium maybe killed 
animals at random. 

677
00:36:06,080 --> 00:36:09,360
We do know that Megatherium had 
good bite force and it had teeth

678
00:36:09,360 --> 00:36:11,760
that maybe implied it was eating
more. 

679
00:36:12,280 --> 00:36:16,720
However, when anybody does micro
wear or mezzaware it comes back 

680
00:36:16,720 --> 00:36:19,400
looking like a browser. 
OK. 

681
00:36:20,360 --> 00:36:22,600
And. 
Maybe it was just occasional, 

682
00:36:22,600 --> 00:36:24,280
you know, it wouldn't. 
He's aware. 

683
00:36:24,280 --> 00:36:26,560
All that shit is like last meal 
record. 

684
00:36:26,560 --> 00:36:29,240
It's not like, true. 
Yeah, it doesn't include the 

685
00:36:29,240 --> 00:36:31,240
whole. 
Maybe, yeah, maybe it was only 

686
00:36:31,240 --> 00:36:33,920
browsing because it couldn't 
find any glyptodons. 

687
00:36:34,080 --> 00:36:36,960
Yeah, exactly. 
It was so fucking hungry it was 

688
00:36:36,960 --> 00:36:40,680
only eating leaves and it died 
because it's not it. 

689
00:36:40,800 --> 00:36:43,400
Was like, well this isn't 
exactly like a glyptodon, but 

690
00:36:43,400 --> 00:36:47,480
why don't I choose some wood? 
That's so sad. 

691
00:36:47,520 --> 00:36:52,800
OK, so now the other thing is 
that when people look at the 

692
00:36:52,800 --> 00:36:55,320
coprolites of sloths. 
I was going to ask about their 

693
00:36:55,320 --> 00:36:57,040
poops. 
I was like, I know we got sloth 

694
00:36:57,040 --> 00:36:58,080
poop, what's in that? 
Poop. 

695
00:36:58,080 --> 00:37:01,480
They've got at least one that 
they think is from a megatherium

696
00:37:01,520 --> 00:37:04,520
and it's mostly full of wood. 
Not dead. 

697
00:37:04,680 --> 00:37:05,960
Glipped it on. 
So smile it on. 

698
00:37:05,960 --> 00:37:08,000
It's a. 
Good but final supper. 

699
00:37:08,480 --> 00:37:12,080
How do you match a coprolite to 
a butthole? 

700
00:37:12,080 --> 00:37:14,720
Exactly. 
Exactly how do you know which 

701
00:37:14,720 --> 00:37:16,920
giant ground sloths butthole 
that came? 

702
00:37:16,920 --> 00:37:17,920
From right. 
Yeah. 

703
00:37:18,280 --> 00:37:23,480
And what what would be the 
shape, Amy, if Megatherium was 

704
00:37:23,480 --> 00:37:26,840
carnivorous? 
Would it be long? 

705
00:37:28,080 --> 00:37:34,320
A tube full of phosphorus. 
A phosphorus full of tube, 

706
00:37:34,560 --> 00:37:37,640
phosphorus full tube, that would
be long, long. 

707
00:37:38,080 --> 00:37:42,440
And let me tell you, I could not
find that other megatherium 

708
00:37:42,440 --> 00:37:44,840
poop. 
But I can tell you that that is 

709
00:37:44,840 --> 00:37:48,440
on the order in size of a 
Nothrotheriops poop. 

710
00:37:49,800 --> 00:37:53,880
So what if those sloth 
osteoderms are sloth on sloth 

711
00:37:53,880 --> 00:37:54,960
climb, right? 
Crime. 

712
00:37:55,440 --> 00:37:58,600
I did double check they did live
there. 

713
00:37:58,600 --> 00:38:01,520
They lived maybe in that fossil 
formation, but they definitely 

714
00:38:01,520 --> 00:38:03,360
lived in that general area. 
Could have been. 

715
00:38:03,360 --> 00:38:05,040
Yeah. 
Then that would not have changed

716
00:38:05,040 --> 00:38:07,960
the outcome of the paper 'cause 
they still said carnivore and 

717
00:38:07,960 --> 00:38:10,040
Megatherium the stabber was not 
here to fucking play. 

718
00:38:10,040 --> 00:38:13,080
It was here to flip sloths over 
and eat them and. 

719
00:38:13,640 --> 00:38:15,400
Just going. 
After that, clipped it on. 

720
00:38:16,160 --> 00:38:18,480
So Zen Arthur specialist is 
like, I know you. 

721
00:38:18,760 --> 00:38:21,080
I know you're all slow. 
I know you're all teeth are 

722
00:38:21,080 --> 00:38:24,480
worthless. 
I know you all have a strange 

723
00:38:24,480 --> 00:38:27,800
number of neck, neck vertebra, 
vertebra. 

724
00:38:27,840 --> 00:38:28,840
Yeah. 
Super weird. 

725
00:38:29,360 --> 00:38:30,440
Yeah. 
Wow. 

726
00:38:30,440 --> 00:38:32,400
Oh, my God. 
Holy crap. 

727
00:38:32,560 --> 00:38:36,680
Holy crap, for real So. 
Isn't that the dumbest? 

728
00:38:37,160 --> 00:38:38,000
That's. 
Such a good theory. 

729
00:38:38,120 --> 00:38:40,640
I'm the. 
Stabber, that makes me really, 

730
00:38:40,720 --> 00:38:42,560
really happy. 
I have a picture I've been 

731
00:38:42,560 --> 00:38:45,560
meaning to post of me with a 
Megatherium specimen at the 

732
00:38:45,600 --> 00:38:48,160
London Natural History Museum, 
so now I'm going to make it 

733
00:38:48,160 --> 00:38:50,720
about this some. 
Do you should? 

734
00:38:51,040 --> 00:38:54,400
Oh I did post a picture. 
The next picture is just 

735
00:38:54,400 --> 00:38:57,720
coprolites of no through therium
since no or no through theory 

736
00:38:57,720 --> 00:38:59,000
OPS. 
Since no through theory, OPS did

737
00:38:59,000 --> 00:39:02,880
have a tendency to poop in 
groups, there's a group latrine 

738
00:39:02,880 --> 00:39:05,160
in. 
Arizona in Arizona and it. 

739
00:39:05,160 --> 00:39:07,480
Doesn't look the same, but no, 
through theory OPS we know for 

740
00:39:07,480 --> 00:39:11,520
sure from isotope analysis was 
an herbivore, but I don't know 

741
00:39:11,520 --> 00:39:14,040
that it's butthole would have 
produced the same thing if it 

742
00:39:14,040 --> 00:39:16,720
wasn't. 
This does not scream carnivore 

743
00:39:16,720 --> 00:39:19,280
to me. 
It very much knows, Yeah. 

744
00:39:19,280 --> 00:39:22,120
But again, if we're talking 
about I, I really doubt that 

745
00:39:22,120 --> 00:39:24,280
they are more than 
opportunistic. 

746
00:39:24,360 --> 00:39:28,400
I would just I just have to go. 
But how often do those 

747
00:39:28,400 --> 00:39:33,360
opportunities you got to keep 
are the opportunities you make? 

748
00:39:33,360 --> 00:39:37,240
This is fair and with all like 
almost all of this, I want to 

749
00:39:37,240 --> 00:39:40,280
see comparisons to like 
Megatherium. 

750
00:39:40,280 --> 00:39:44,400
It was that the largest of the 
giant ground slots or just one 

751
00:39:44,400 --> 00:39:47,560
of like can we compare it to the
other ones and see if their 

752
00:39:47,560 --> 00:39:50,720
teeth are abnormally large for 
the getting that. 

753
00:39:50,720 --> 00:39:54,880
But I just would want to I want 
to know I want I but I buy it is

754
00:39:54,880 --> 00:39:59,840
somewhere in that turd is some 
baby see baby sloth like what if

755
00:39:59,840 --> 00:40:03,280
there's some like infanticidal 
fucked up like this is what 

756
00:40:03,280 --> 00:40:07,680
happened before is I loved sea 
otters and then I met you and we

757
00:40:07,680 --> 00:40:10,760
did. 
We learned such horrible things 

758
00:40:10,760 --> 00:40:13,760
together and it ruins my 
favorite animals and you're 

759
00:40:13,760 --> 00:40:17,320
going to be like sloths. 
We're straight up carnivorous. 

760
00:40:17,520 --> 00:40:20,200
Yeah, Cannibal. 
That ate each other's babies. 

761
00:40:20,200 --> 00:40:23,000
Just Megatherium and maybe 
Myelodon. 

762
00:40:23,000 --> 00:40:26,560
This is great. 
No, for sure, herbivore. 

763
00:40:26,920 --> 00:40:29,760
I'm just going to have but. 
Megalonics fair, OK, I think 

764
00:40:29,800 --> 00:40:34,320
right, OK Megalonics I think is 
bigger than Megatherium. 

765
00:40:34,320 --> 00:40:36,560
It's. 
Been it's been a while. 

766
00:40:36,720 --> 00:40:39,960
But I don't know what its diet 
was because I just got real 

767
00:40:39,960 --> 00:40:43,440
distracted by this paper and. 
I mean, you do know what this 

768
00:40:43,480 --> 00:40:45,160
really means? 
Right. 

769
00:40:45,160 --> 00:40:46,560
We're not doing another rap 
battle. 

770
00:40:47,800 --> 00:40:51,400
It's not happening. 
It obviously has to happen. 

771
00:40:51,640 --> 00:40:56,200
This is an encore if I've ever 
heard this is. 

772
00:40:56,280 --> 00:40:59,400
Only if you dress up like 
fucking sloth. 

773
00:40:59,440 --> 00:41:02,720
Edward Scissor sure, absolutely 
chasing me through the. 

774
00:41:02,760 --> 00:41:05,520
World, Absolutely. 
With pleasure. 

775
00:41:05,720 --> 00:41:07,920
Absolutely. 
You know, I would enjoy making a

776
00:41:07,920 --> 00:41:10,640
costume like that. 
I know, I know. 

777
00:41:12,120 --> 00:41:14,520
You made Iguanodon hand costumes
unprise. 

778
00:41:14,520 --> 00:41:17,240
I really wouldn't call that good
though. 

779
00:41:20,280 --> 00:41:22,480
Give me enough time. 
I did make that pleasy sort of 

780
00:41:22,480 --> 00:41:24,080
look. 
It was great it worked out. 

781
00:41:24,080 --> 00:41:25,120
Yeah, that's pleasing. 
So it's cool. 

782
00:41:25,200 --> 00:41:29,440
It was perfect. 
Hot damn, hot damn and hot meat 

783
00:41:32,880 --> 00:41:35,040
nothing. 
Like Xenarthrin says it's 

784
00:41:35,960 --> 00:41:41,800
stabbing cannibals, but I hate 
they get weirder every day if 

785
00:41:41,800 --> 00:41:44,920
they're not one of our like, 
flagship animals along with 

786
00:41:44,920 --> 00:41:48,160
fucking turtles, right? 
Nothing is. 

787
00:41:49,520 --> 00:41:52,160
Saint Arthrons are so weird. 
There's also now some evidence 

788
00:41:52,160 --> 00:41:56,320
that Thalasakness or whatever 
the marine ones were that they 

789
00:41:56,320 --> 00:41:58,560
may have also had some 
adaptations for eating things 

790
00:41:58,560 --> 00:42:01,120
like crabs off the sea floor, 
not just the seagrass. 

791
00:42:01,400 --> 00:42:03,000
Wow. 
Wow, you would think. 

792
00:42:03,120 --> 00:42:04,040
Wow. 
But it makes sense. 

793
00:42:04,040 --> 00:42:07,000
That would be hard to do with 
dentine though man. 

794
00:42:07,080 --> 00:42:10,320
Like, well, that would be, I 
mean, if it grows fast, I guess.

795
00:42:10,320 --> 00:42:15,240
But like, there's so many 
species of giant ground sloths, 

796
00:42:15,480 --> 00:42:18,480
like these giant animals all 
living in the same general 

797
00:42:18,480 --> 00:42:21,360
place, same general time. 
It makes sense that maybe some 

798
00:42:21,360 --> 00:42:24,120
of them were dipping more into 
the omnivore stuff than we were 

799
00:42:24,920 --> 00:42:26,600
expecting them to. 
Right. 

800
00:42:26,640 --> 00:42:29,720
There's got to be some sort of 
niche partitioning happening 

801
00:42:29,720 --> 00:42:32,120
here. 
And I mean, I know when I worked

802
00:42:32,120 --> 00:42:37,000
with an armadillo at a museum, 
whatever, that was also a weird 

803
00:42:37,000 --> 00:42:41,040
thing I don't want to talk 
about, but they we fed that 

804
00:42:41,040 --> 00:42:44,760
armadillo a lot of bugs that 
that baby ate a lot of bugs. 

805
00:42:44,760 --> 00:42:48,760
So I mean, but that's different 
than like flesh, flesh eating. 

806
00:42:48,760 --> 00:42:51,960
That's just yeah, Insectivory 
again, so. 

807
00:42:52,200 --> 00:42:55,400
Your adaptations are different. 
Anyways, I think, you know, 

808
00:42:56,240 --> 00:42:58,760
jury's out as to whether it's 
morally different, but 

809
00:43:00,560 --> 00:43:04,880
physically it is. 
And that's a wrap on season 3. 

810
00:43:04,960 --> 00:43:08,360
Season 4 will be getting airing 
for the public in maybe January,

811
00:43:08,400 --> 00:43:11,360
but it will be earlier on 
Patreon. 

812
00:43:11,360 --> 00:43:14,560
And if you Join Now, you can get
tons of bonus content, including

813
00:43:14,720 --> 00:43:18,440
a really deep dive on Cheddar 
Man and rigor mortis and how 

814
00:43:18,440 --> 00:43:20,240
turtles can piss out of their 
mouths. 

815
00:43:20,320 --> 00:43:23,360
And of course, all of the gossip
that is so spicy we can't air it

816
00:43:23,360 --> 00:43:25,360
outside of a paywall because we 
don't want to get sued. 

817
00:43:25,720 --> 00:43:28,680
Plus a ton of outtakes and 
extras and live painting parties

818
00:43:28,680 --> 00:43:31,440
and all sorts of other things. 
Thanks so much for listening. 

819
00:43:31,520 --> 00:43:34,680
We love making this. 
If you come and support us on 

820
00:43:34,680 --> 00:43:37,400
Patreon, not only will you get 
lots of good stuff and make sure

821
00:43:37,400 --> 00:43:40,600
that we can do things like, hey,
our excellent editor, Maximilian

822
00:43:40,600 --> 00:43:53,880
Scott. 
Sloth, Theoderms I. 

823
00:43:53,920 --> 00:43:55,640
Don't know what English is 
anymore. 

824
00:43:56,800 --> 00:43:58,120
What does this mean?
