The Earth's oceans contain over 200,000 identified species.

Some species of frogs lay eggs on land instead of in water.

Fact #572 · Animals

Certain birds use thermal air currents to glide efficiently.

Fact #499 · Animals

Some marine snails use venom to capture prey.

Fact #432 · Animals

Some mammals, like bats, use echolocation.

Fact #465 · Animals

Some amphibians can absorb oxygen through their skin.

Fact #328 · Animals

Certain birds store food in hidden caches.

Fact #426 · Animals

A hedgehog rolls into a spiny ball when threatened.

Fact #555 · Animals

Certain fish form schools to reduce predation risk.

Fact #479 · Animals