The Greenland shark can live for over 400 years, making it the longest-lived vertebrate known to science.

Some mammals hibernate during winter.

Fact #303 · Animals

Some amphibians undergo dramatic transformations during metamorphosis.

Fact #493 · Animals

Some species of turtles can breathe through their cloaca underwater.

Fact #365 · Animals

Some beetles can lift objects many times their own weight.

Fact #378 · Animals

A lion’s mane can signal strength and health.

Fact #460 · Animals

A kangaroo uses its tail for balance while hopping.

Fact #474 · Animals

A chimpanzee can use tools to solve problems.

Fact #508 · Animals

Certain species of frogs are active at night.

Fact #519 · Animals