Dolphins have unique signature whistles that function like names, allowing them to call and identify each other.

Certain insects can mimic leaves to avoid predators.

Fact #463 · Animals

A giraffe's neck contains the same number of vertebrae as a human's.

Fact #398 · Animals

A chimpanzee can use tools to solve problems.

Fact #508 · Animals

Some sharks detect electrical signals from other animals.

Fact #128 · Animals

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals

A walrus uses its tusks to haul itself onto ice.

Fact #536 · Animals

Certain insects communicate using vibrations.

Fact #430 · Animals

A puffin uses its colorful beak to attract mates.

Fact #510 · Animals