When Mammals Only Went Out At Night

Season 4 Episode 10 | 11m 9s  | Video has closed captioning.

For decades, scientists believed dinosaurs were diurnal and tiny mammals were nocturnal. But as researchers have uncovered more mammalian fossils and studied the biology of different dinosaur species, they’ve found some surprising results.

Aired: 10/07/21

Rating: NR


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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