Some ribbon worms will eat themselves if they can't find any food.
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Cats sleep for 70% of their lives.
8
A hedgehog's heart beats 300 times a minute on average!
14
To escape the grip of a crocodile's jaws, push your thumbs into its eyeballs. It will let you go instantly.
155
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
An adult giraffe's tongue is 17 inches long.
28
A rat can fall from a five story building without injury.
44