Sloths take two weeks to digest their food.
243
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A dairy cow can produce more milk when listening to music.
446
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Gorillas can catch human colds and other illnesses.
205
Mosquitoes don't just bite you, they also pee on you.
11