Eons

The Traits That Spawned the Age of Mammals

Season 4 Episode 2 | 7m 44s | Video has closed captioning.

Lots of the traits we think of as defining us as mammals show up pretty early, during the time of the dinosaurs. And, in some cases, they show up a lot earlier and in things that weren’t mammals at all.

Aired: 07/21/21

Rating: NR

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Problems Playing Video? | Closed Captioning

Welcome to Eons!

Preview: EONS

Welcome to Eons!

Join hosts Michelle Barboza-Ramirez, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on Earth. From the dawn of life in the Archaean Eon through the Mesozoic Era — the so-called “Age of Dinosaurs” -- right up to the end of the most recent Ice Age.

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