Crows can recognize individual human faces.

Some animals use camouflage to avoid predators.

Fact #336 · Animals

Certain frogs use bright colors to warn predators.

Fact #438 · Animals

Some species of birds form lifelong pair bonds.

Fact #537 · Animals

Some amphibians undergo dramatic transformations during metamorphosis.

Fact #493 · Animals

A cuttlefish can rapidly change both color and pattern.

Fact #472 · Animals

Blue whales can grow longer than 90 feet.

Fact #341 · Animals

Certain insects communicate using vibrations.

Fact #430 · Animals

Certain beetles can produce sounds by rubbing body parts together.

Fact #546 · Animals