Cows have best friends.

A study measuring the effects of music found that cows produce more milk when listening to soothing music. They produce the most when listening to R.E.M’s “Everybody Hurts.”

Dolphins have names for each other.

Tigers not only have stripes on their fur, they also have them on their skin. No two tigers ever have the same stripes.

Ostriches can run faster than horses, and the male ostriches can roar like lions.

Oysters can change gender depending on which is best for mating. Talk about successful adaptation.

Koala bears almost exclusively eat only eucalyptus leaves and nothing else.

Elephants can smell water up to 3 miles away. They are also one of the three mammals that undergo menopause – the other two being humpback whales and human females.

Worlds smallest fish at 7.9mm!

Kangaroos use their tails for balance, so if you lift a kangaroo’s tail off the ground, it can’t hop.

Houseflies don’t allow their short lifespans (14 days) to hinder their musical abilities. They always hum in the key of F.

Butterflies have two compound eyes consisting of thousands of lenses, yet they can only see the colors red, green and yellow.

Beware an ant uprising! There are one million ants for every human in the world. These resilient creatures also never sleep and do not have lungs.

Because beavers’ teeth never stop growing, they must constantly gnaw on objects to keep them at a manageable length. Their teeth would eventually grow into their brain if they didn’t maintain them.

Bats are the only mammals that can fly, but wouldn’t it be awesome if humans could fly too

A Mosquito has 47 teeth.

Gorillas and potatoes have two more chromosomes than humans do.

In 1903 the Wright brothers flew for 59 seconds. 38 years later the Japanese bombed Pearl Harbor. 28 years after that, we landed on the moon

This is the first alligator with a prosthetic tail.

Goats have rectangular pupils.