Some birds use tools to extract insects from wood.

Some birds can see ultraviolet light.

Fact #120 · Animals

Some species of crabs can regenerate lost claws.

Fact #396 · Animals

Some lizards can regrow their tails.

Fact #71 · Animals

Certain frogs can inflate themselves to appear larger to predators.

Fact #377 · Animals

Certain fish can survive in oxygen-poor water.

Fact #453 · Animals

Some insects glow through bioluminescence.

Fact #529 · Animals

Some species of bats use echolocation to hunt in darkness.

Fact #390 · Animals

Some amphibians can absorb oxygen through their skin.

Fact #328 · Animals