The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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
The colossal squid has the largest eyes in the world.
4
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Domestic pigs average a top speed of about 11 miles per hour.
182
Only 3% of bird species have penises.
0