A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
A 42-foot sperm whale has about 7 tons of oil in it.
209
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Giant Anteaters' front legs look like a panda.
48
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Two dogs were among the Titanic survivors.
262