The tongue of a blue whale weighs as much as an adult elephant.

Some insects have compound eyes made of many lenses.

Fact #513 · Animals

Some birds can see ultraviolet light.

Fact #120 · Animals

A red kangaroo is the largest marsupial.

Fact #480 · Animals

Narwhals are known for their long spiral tusks.

Fact #376 · Animals

Some sharks detect electrical signals from other animals.

Fact #128 · Animals

Certain frogs can glide from tree to tree.

Fact #394 · Animals

Elephants have one of the longest gestation periods of any land animal.

Fact #386 · Animals

Certain ants build floating rafts during floods.

Fact #387 · Animals