A chicken will lay bigger and stronger eggs if you change the lighting in such a way as to make them think a day is 28 hours long!
37
A pig's penis is shaped like a corkscrew.
22
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Spider monkeys like banana daiquiris.
23
Female kangaroos have three vaginas.
2
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
An elephant trunk has no bone but 40,000 muscles.
24
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13