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
Bats sleep 18-20 hours per day.
5
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11