Elephants are the only non-human animals known to have death rituals.

Some birds can imitate sounds from their environment.

Fact #489 · Animals

Certain owls hunt silently because of specialized feather structures.

Fact #542 · Animals

An adult giraffe can clean its ears with its tongue.

Fact #248 · Animals

Certain birds use thermal air currents to glide efficiently.

Fact #499 · Animals

Some mammals hibernate during winter.

Fact #303 · Animals

Certain fish change sex during their lifetime.

Fact #503 · Animals

Sea otters hold hands while sleeping to avoid drifting apart.

Fact #364 · Animals

Some birds use tools to extract insects from wood.

Fact #416 · Animals