Some animals can regenerate entire body parts.

Some frogs can survive being frozen during winter.

Fact #24 · Animals

Narwhals are known for their long spiral tusks.

Fact #376 · Animals

Some birds can see ultraviolet light.

Fact #120 · Animals

Elephants have one of the longest gestation periods of any land animal.

Fact #386 · Animals

Certain birds build hanging nests from woven plant fibers.

Fact #471 · Animals

Clownfish can change sex during their lifetime.

Fact #361 · Animals

Some amphibians undergo dramatic transformations during metamorphosis.

Fact #493 · Animals

Some species of snakes give live birth instead of laying eggs.

Fact #540 · Animals