Some birds can imitate sounds from their environment.

Butterflies can see ultraviolet patterns on flowers.

Fact #368 · Animals

Some species of ants wage organized territorial battles.

Fact #401 · Animals

Certain frogs use loud calls to attract mates.

Fact #459 · Animals

Some birds can see ultraviolet light.

Fact #120 · Animals

A giraffe's heart can weigh over 20 pounds.

Fact #447 · Animals

Some mammals, like bats, use echolocation.

Fact #465 · Animals

A sea lion can hold its breath for several minutes underwater.

Fact #400 · Animals

Some amphibians undergo dramatic transformations during metamorphosis.

Fact #493 · Animals