Bats sleep 18-20 hours per day.
5
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Sheep, goats, octopuses, and toads have rectangular pupils.
7
A cat can jump FIVE TIMES as high as it is tall!
371
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2