Sloths take two weeks to digest their food.
243
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
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
When cats are happy, they may squeeze their eyes shut.
10
There's a rare breed of pig that looks like a sheep.
14
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5