Mosquitoes have killed more humans throughout history than any other animal.

A group of wolves is called a pack.

Fact #112 · Animals

Sea otters hold hands while sleeping to avoid drifting apart.

Fact #364 · Animals

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

Fact #382 · Animals

A wolf can travel dozens of miles in a single day.

Fact #545 · Animals

Some spiders can glide through the air using silk.

Fact #369 · Animals

Sea otters use rocks as tools to break open shellfish.

Fact #43 · Animals

Blue whales are the largest animals known to have ever lived.

Fact #246 · Animals

Some fish use tools to crack open shellfish.

Fact #405 · Animals