The Columbian Exchange accelerated the transfer of plants, animals, people, and diseases worldwide.

Snow leopards use their long tails for balance.

Fact #371 · Animals

Certain birds can recognize themselves in mirrors.

Fact #404 · Animals

Certain insects can enter a dormant state called diapause.

Fact #399 · Animals

Some birds can mimic human speech.

Fact #268 · Animals

Some animals use echolocation to navigate in darkness.

Fact #278 · Animals

Certain fish clean parasites from larger fish.

Fact #422 · Animals

A parrot can mimic human speech sounds.

Fact #429 · Animals

Certain fish live in symbiotic relationships with other species.

Fact #535 · Animals