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 newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
In Australia, there are spiders big enough to eat snakes.
20
Cats sleep for 70% of their lives.
8
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402