Hagfish produce enough slime in minutes to fill a bucket and can tie themselves in knots to escape predators.

Owls can rotate their heads up to about 270 degrees.

Fact #38 · Animals

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

Fact #246 · Animals

A wolf's howl can travel several miles.

Fact #427 · Animals

A dolphin’s brain is relatively large compared to its body size.

Fact #456 · Animals

A chimpanzee can use tools to solve problems.

Fact #508 · Animals

A cheetah is built for speed with a lightweight body.

Fact #470 · Animals

Some birds can see ultraviolet light.

Fact #120 · Animals

Octopuses have three hearts and blue blood.

Fact #1 · Animals