Female deer are called does. They can stay with their mothers up to two years after birth, whereas a male deer tends to leave after just one year.

Did you know the bee hummingbird is the smallest bird in the world? As it's name suggests, it's barely larger than a bee.

Most starfish, as their name suggests, have five arms. But with over 1,800 types, there are animals of this species that can have up to 50 arms.

Leo, a fire sign, is represented by the lion. People born under this star sign are said to exhibit characteristics of the lion.

A cow doesn't have four stomachs, but rather four distinct compartments that their food passes through to be digested.

Penguin's near-threatened status includes the Emperor and Magellanic penguins.

Wolf populations appear to be stable right now. Gray wolves are the most common, while the red wolves are the rarest.

Cats are the second most common pet in households across the world. Dogs are first and fish are third.

Snakes can slither up to 12.5 miles an hour, despite not having any limbs.

Lobsters are one of the few animals that keep growing forever, at least that's what research suggests.