Dogs have been man's pet for over 14,000 years.
224
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Two dogs were among the Titanic survivors.
262
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23