The slow loris produces venom by licking a gland on its elbow — unusual among primates.

Some birds can see ultraviolet light.

Fact #120 · Animals

The platypus is one of the few mammals that lay eggs.

Fact #382 · Animals

An adult giraffe can clean its ears with its tongue.

Fact #248 · Animals

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

Fact #540 · Animals

Certain birds perform elaborate mating dances.

Fact #507 · Animals

Some birds migrate between hemispheres each year.

Fact #203 · Animals

Some marine animals use bioluminescence to produce light.

Fact #208 · Animals

Polar bears have black skin beneath their white fur.

Fact #26 · Animals