There is a species of jellyfish that can biologically reverse its aging.

Some animals use echolocation to navigate in darkness.

Fact #278 · Animals

Certain frogs use loud calls to attract mates.

Fact #459 · Animals

Some species of ants create underground tunnel networks.

Fact #497 · Animals

Certain snakes can dislocate their jaws to swallow large prey.

Fact #574 · Animals

A woodpecker's skull absorbs shock from repeated pecking.

Fact #393 · Animals

Bees perform a waggle dance to communicate the location of food sources.

Fact #19 · Animals

Certain species of fish live near hydrothermal vents.

Fact #467 · Animals

The ozone layer is located in the stratosphere.

Fact #140 · Animals