Bats sleep 18-20 hours per day.
5
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
When you shave a guinea pig it looks like a little hippo.
19
Gorillas can catch human colds and other illnesses.
205
A cow produces around 200,000 glasses of milk in her lifetime.
373