How Do Animals Do That?

Puppy Dog Tails and Crocodile Jaws (1x4)

Air date: Jan 13, 2019

What does a dog's tail wag really mean? Are cockatoos the cleverest members of the animal kingdom? Why are zebras black and white? What's the secret behind a crocodile's powerful jaws? And, how and why do chameleons change color? Find out!