Sharks have been on the planet longer than trees.
14
Ants don't sleep
15
Sloths take two weeks to digest their food.
243
Parrot parents "name" their children with a signature call.
112
A group of ferrets is called a business.
6
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
Some ribbon worms will eat themselves if they can't find any food.
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