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

Certain birds build nests on cliffs for protection.

Fact #531 · Animals

Certain insects can enter a dormant state called diapause.

Fact #399 · Animals

Some ants can carry many times their own body weight.

Fact #132 · Animals

Some birds migrate using landmarks and stars.

Fact #477 · Animals

Some butterflies migrate across continents.

Fact #424 · Animals

A zebra’s stripes may help confuse predators.

Fact #500 · Animals

The platypus is one of the few mammals that lay eggs.

Fact #382 · Animals

Some birds can see ultraviolet light.

Fact #120 · Animals