Crows in Japan drop nuts on crosswalks for cars to crack, then collect them on red lights.

Penguins can drink salt water because of specialized glands.

Fact #362 · Animals

A hummingbird's heart can beat over 1,000 times per minute.

Fact #345 · Animals

Certain birds use thermal air currents to glide efficiently.

Fact #499 · Animals

A blue whale's tongue can weigh as much as an elephant.

Fact #443 · Animals

A parrot can mimic human speech sounds.

Fact #429 · Animals

Some fish use tools to crack open shellfish.

Fact #405 · Animals

A crocodile can hold its breath underwater for an extended period.

Fact #476 · Animals

Some birds can fly for months without landing.

Fact #164 · Animals