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How Animals Got Butts
Season 7
Episode 9
While the evolution of the butthole was a major breakthrough in animal development, its story might actually end with redefining what it means to have a butthole at all.
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This is Lizards' Fascinating And Competitive History.
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This small change in our appearance has helped shape the evolution of our entire lineage.
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8:48
Aegirocassis may have been the biggest animal in the Early Ordovician.
6:46
What is it about the crab’s form that makes it so evolutionarily successful?
7:52
We’ve only started to get to the bottom of how clubs worked and how it developed.
9:48
How and why does botanical carnivory keep evolving?
8:54
Our primate family tree actually originated here!
8:23
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6:27
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9:43
What if the rock art drawings of strange animals really existed?
8:48
How did Thrinaxodon and Broomistega become entombed together?