Animal Anatomy Facts

A cat's jaws cannot move sideways.

Most domestic turkeys are so heavy they are unable to fly.

Tigers have striped skin, not just striped fur!

Cows can easily walk up stairs, but find it incredibly difficult and generally avoid walking down them due to their anatomy and poor depth perception.

A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.

Giant Anteaters' front legs look like a panda.

The Chow Chow and Chinese Shar-Pei are the only two dog breeds that require a solid blue-black tongue as part of their official breed standard.

Koalas are not bears—they're marsupials more closely related to wombats and kangaroos.

A giraffe can clean its ears with its 21-inch tongue!

Hummingbirds can't walk.

A kangaroo cannot jump if its tail is off the ground.

Most of a hog's sweat glands are in its snout.

There's a breed of cat called Munchkin and they have tiny legs.

There’s a rare breed of chicken called Ayam Cemani that’s completely black. They have black plumage, legs, nails, beak, and even black meat, bones, and a black tongue!

The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.

A koi fish named Hanako lived to be 226 years old, making her the oldest koi ever documented. Her age was scientifically verified in 1966 by examining growth rings on her scales, and she died in Japan on July 7, 1977.