The sea cucumber ejects its respiratory organs through its anus when threatened — then regenerates them.

Elephants can detect distant thunderstorms through ground vibrations.

Fact #347 · Animals

A grizzly bear can run surprisingly fast over short distances.

Fact #492 · Animals

Certain insects communicate using vibrations.

Fact #430 · Animals

A sloth can take up to a month to digest a single meal.

Fact #441 · Animals

Certain birds can recognize themselves in mirrors.

Fact #404 · Animals

Certain owls hunt silently because of specialized feather structures.

Fact #542 · Animals

Butterflies can see ultraviolet patterns on flowers.

Fact #368 · Animals

A horned lizard can squirt blood from its eyes as a defense.

Fact #538 · Animals