6 ฤดูกาล
246 ตอน
Eons - Season 4 Episode 21
The rise and fall of ancient walruses, and how modern ones got their tusks, is a story that spans almost 20 million years. And while there are parts of the story that we’re still trying to figure out, it looks like tusks didn’t have anything to do with how or what these animals ate.
- ปี: 2022
- ประเทศ: United States of America
- ประเภท: Documentary
- สตูดิโอ: PBS Digital Studios, YouTube
- คำสำคัญ: paleontology, paleontologist, dinosaur, fossil, cenozoic, paleozoic, mesozoic
- ผู้อำนวยการ: Hank Green
- นักแสดง: Kallie Moore, Blake de Pastino, Michelle Barboza-Ramirez