A group of cats is called a clowder, a group of kittens a kindle.

Some species of ants wage organized territorial battles.

Fact #401 · Animals

Certain ants build floating rafts during floods.

Fact #387 · Animals

A hummingbird's heart can beat over 1,000 times per minute.

Fact #345 · Animals

Some species of jellyfish can shrink and regrow their bodies.

Fact #428 · Animals

A bald eagle builds some of the largest nests of any bird.

Fact #553 · Animals

Some mammals hibernate during winter.

Fact #303 · Animals

A hawk has sharp vision adapted for hunting.

Fact #496 · Animals

Some fish can change color to blend with their surroundings.

Fact #392 · Animals