The gulper eel has a large mouth that allows it to swallow prey bigger than its body.

Certain birds use thermal air currents to glide efficiently.

Fact #499 · Animals

A group of wolves is called a pack.

Fact #112 · Animals

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

Fact #456 · Animals

Some marine mammals communicate through clicks and whistles.

Fact #525 · Animals

Octopuses have three hearts and blue blood.

Fact #1 · Animals

Owls can rotate their heads up to about 270 degrees.

Fact #38 · Animals

Certain insects communicate using vibrations.

Fact #430 · Animals

Sea otters use rocks as tools to break open shellfish.

Fact #43 · Animals