Dolphins have names for one another.
18
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
Dogs have been man's pet for over 14,000 years.
224
Tigers can see 6 times better at night than humans.
305
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
There are approximately three chickens for every human on Earth.
13