9:13

How Fish Came on to Land

8:42

When Sea Turtles Grew to the Size of Rhinos

9:48

The Evolution of Crocodiles

8:25

The Largest Reptile that Ever Lived

9:56

Why did Birds Lose their Teeth?

11:16

Evolution of Armadillos

10:22

The Evolution of Sea Cows

10:54

When Life Nearly Died