![Puppy Dog Tails and Crocodile Jaws](/assets/artwork/1x1.gif)
How Do Animals Do That?
Puppy Dog Tails and Crocodile Jaws
S1 E4:
What a dog's tail wag means, the cleverness of cockatoos, zebras' black and white stripes, the secret behind a crocodile's powerful jaws, and how chameleons change colour.