Rattlesnake mating sessions have been known to last more than 22 hours.
232
Cats sleep for 70% of their lives.
8
There's a rare breed of pig that looks like a sheep.
14
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16