Some birds can imitate sounds from their environment.

Owls can rotate their heads up to about 270 degrees.

Fact #38 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

Certain species of fish build bubble nests.

Fact #511 · Animals

The Earth's surface is constantly reshaped by natural forces.

Fact #224 · Animals

A leopard can carry prey heavier than itself up a tree.

Fact #452 · Animals

Some lizards can detach their tails to escape predators.

Fact #509 · Animals

Some frogs carry their tadpoles on their backs.

Fact #354 · Animals

Some dinosaurs had feathers.

Fact #626 · Animals