Bats are the only flying mammals — and use echolocation so precise they can detect a wire as thin as a human hair.

Certain birds use thermal air currents to glide efficiently.

Fact #499 · Animals

Some marine animals use bioluminescence to produce light.

Fact #208 · Animals

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

Fact #406 · Animals

Some species of jellyfish can shrink and regrow their bodies.

Fact #428 · Animals

Some lizards can regrow their tails.

Fact #71 · Animals

Some ants cultivate fungus as a food source.

Fact #521 · Animals

Certain birds build nests on cliffs for protection.

Fact #531 · Animals

A moose has long legs adapted for walking in snow.

Fact #518 · Animals