'Condylarths': Bizarre Early Ungulates
20:29
The Most Scientifically Accurate T. rex Ever?
8:52
Elasmotherium: The Real Mudhorn
10:11
How South America Made the Marsupials
7:06
The Ancient ‘Mammals’ that Reigned Before the Dinosaurs
27:11
You're Probably Wrong About Rainbows
9:26
Evolution of the Platypus
17:25
Cerdocyonina: South America's Unique Canines
29:19