The paradox frog is larger as a tadpole than as an adult — one of the few animals that shrinks at metamorphosis.

A kingfisher dives into water to catch fish.

Fact #573 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

Some birds can see ultraviolet light.

Fact #120 · Animals

Snow leopards use their long tails for balance.

Fact #371 · Animals

Some birds can fly for months without landing.

Fact #164 · Animals

Some animals use camouflage to avoid predators.

Fact #336 · Animals

Certain fish form schools to reduce predation risk.

Fact #479 · Animals

Certain fish can survive in oxygen-poor water.

Fact #453 · Animals