The phalanges and metacarpal bones of bats are less mineralized than other bones of the wings allowing them to flex as necessary.

The Sunda flying lemur is not a lemur and does not fly. It's really a Colugo and it glides as it leaps among trees.

The axolotl can regenerate its limbs.

Moray eels have a second set of jaws that extends from their throats.

All clownfish are born male—some turn female to enable mating.

In the uk, the british monarch legally owns all unmarked mute swans in open water.

Blue jays mimic hawks' calls to scare away other birds.

Whitetail deer can sprint at speeds up to 30 miles per hour.

Red-eyed tree frog eggs can hatch early if they sense danger.

Alberta, Canada is the largest rat-free populated area in the world.

Flamingos are naturally white—their diet of brine shrimp and algae turns them pink.

Despite their appearance, elephant shrews are more closely related to elephants than shrews.

Animal behaviorists have concluded that cats don't meow as a way to communicate with each other. it's a method they use for getting attention from humans.

Prairie dogs say hello by kissing.

Sea otters hold hands while they're sleeping so they don't drift apart.

A grizzly bear's bite is strong enough to crush a bowling ball.

There was once a type of crocodile that could gallop.

Baby elephants suck their trunks for comfort.

Dragonflies and damselflies form a heart with their tails when they mate.

Only the males are called peacocks. females are called peahens.