The wood ant sprays formic acid as a defense — the acid is also used as a natural preservative by some animals.

Some species of frogs can survive being partially dehydrated.

Fact #444 · Animals

Some birds can fly at high altitudes over mountains.

Fact #323 · Animals

A crocodile can replace its teeth multiple times in its life.

Fact #406 · Animals

A cuttlefish can camouflage almost instantly.

Fact #383 · Animals

Bats are the only mammals capable of sustained flight.

Fact #58 · Animals

Certain insects can mimic leaves to avoid predators.

Fact #463 · Animals

Certain birds store food in hidden caches.

Fact #426 · Animals

Blue whales can grow longer than 90 feet.

Fact #341 · Animals