A giraffe's kick is so powerful that it can decapitate a lion.
216
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Cats and dogs can hear ultrasound.
350
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Sharks have been on the planet longer than trees.
14