The horned lizard shoots blood from its eyes as a defense — squirting it up to 5 feet.

A toucan’s beak is lightweight despite its size.

Fact #526 · Animals

Sea otters use rocks as tools to break open shellfish.

Fact #43 · Animals

Certain birds build hanging nests from woven plant fibers.

Fact #471 · Animals

Some birds build elaborate nests.

Fact #308 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

Some insects have lifespans of only a few hours as adults.

Fact #411 · Animals

Some lizards can detach their tails to escape predators.

Fact #509 · Animals

Certain birds use thermal air currents to glide efficiently.

Fact #499 · Animals