Mammal Origins | Full Documentary | NOVA | PBS

Explore mammals' surprising origins, long before the age of dinosaurs. Uncover the surprising ancient origins of mammals, a story that began long before the dinosaurs' reign. Surveying Earth's tumultuous past reveals how some of our earliest ancestors, the therapsids - creatures that looked like reptiles but were starting to develop mammalian traits - survived multiple global catastrophes.

Courtesy of NOVA PBS Official on YouTube. Watch on YouTube ↗

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