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
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Sloths take two weeks to digest their food.
243