Some snakes have infrared pits that detect heat — allowing them to strike accurately in complete darkness.

Some birds use tools to extract insects from wood.

Fact #416 · Animals

Narwhals are known for their long spiral tusks.

Fact #376 · Animals

A group of wolves is called a pack.

Fact #112 · Animals

Penguins can drink salt water because of specialized glands.

Fact #362 · Animals

A squid can propel itself rapidly by jetting water.

Fact #417 · Animals

A honeybee colony functions as a highly coordinated unit.

Fact #409 · Animals

Elephants can detect distant thunderstorms through ground vibrations.

Fact #347 · Animals

A sea sponge is an animal, not a plant.

Fact #541 · Animals