The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Gorillas can catch human colds and other illnesses.
205
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4