Crows can recognize individual human faces.

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

Fact #246 · Animals

A crocodile can replace its teeth multiple times in its life.

Fact #406 · Animals

A toucan’s beak is lightweight despite its size.

Fact #526 · Animals

Certain frogs use loud calls to attract mates.

Fact #459 · Animals

Certain birds store food in hidden caches.

Fact #426 · Animals

A wolf pack operates with coordinated social behavior.

Fact #488 · Animals

Some species of birds form lifelong pair bonds.

Fact #537 · Animals

Some birds use tools to obtain food.

Fact #294 · Animals