Corals are tiny animals called polyps that build massive reef structures by secreting calcium carbonate.

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals

Certain species of frogs are active at night.

Fact #519 · Animals

Some beetles produce defensive chemicals to deter predators.

Fact #481 · Animals

Some reptiles can live for over a century.

Fact #319 · Animals

Some species of octopus can escape through very small openings.

Fact #451 · Animals

A koala sleeps for many hours each day.

Fact #490 · Animals

A cheetah can accelerate from 0 to 60 mph in a few seconds.

Fact #363 · Animals

A moose has long legs adapted for walking in snow.

Fact #518 · Animals