Sloths take two weeks to digest their food.
243
We share 70% of our DNA with a slug.
218
Baby beavers are called kittens.
38
The penguin is the only bird that can swim, but cannot fly.
1
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The bagpipe was first made from the liver of a sheep.
5
Catgut comes from sheep not cats.
11