A domestic cat can sprint at about 31 miles per hour.
274
Squirrels forget where they hide about half of their nuts.
698
Gorillas can catch human colds and other illnesses.
205
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12