Think birds are the only animals that can fly? Bats are actually mammals, like us.
Although camels can drink about 8.5 liters of water in a minute, they don't store water in their hump. Instead, a camel's hump stores fat, which serves as a backup storage of energy.
A certain Central American salamander, Bolitoglossa dofleini, can flick out its tongue a distance of more than half its body length in 7 milliseconds. That's 50 times faster than the blink of an eye.
Platypuses and four different species of echidna (spiny anteaters) are the only living species of monotreme--mammals that lay eggs and have modified snouts or beaks.
Horseshoe crabs have a total of ten eyes: three near their mouth, four on top of their shell, two on their underside, and one on their tail.
Polar bears have neither white fur nor white skin. They actually have two layers of clear fur and––believe it or not––black skin. Their fur appears white due to an optical illusion.
A cat's tail contains anywhere from nineteen to twenty-three bones––about ten percent of all of the bones in its body.
A polar bear’s fur provides such effective insulation that they are nearly undetectable by infrared (heat) cameras.
Horses and cows both sleep while standing up.