Dogs can detect human heartbeats from several feet away.

Certain frogs can glide from tree to tree.

Fact #394 · Animals

A cuttlefish can camouflage almost instantly.

Fact #383 · Animals

Some birds migrate between hemispheres each year.

Fact #203 · Animals

Certain birds of prey can spot small animals from great heights.

Fact #483 · Animals

Certain beetles can produce sounds by rubbing body parts together.

Fact #546 · Animals

Some birds sing complex songs to mark territory.

Fact #517 · Animals

Sea otters use rocks as tools to break open shellfish.

Fact #43 · Animals

A leopard's rosette spots help camouflage it in forests.

Fact #423 · Animals