Certain fish can survive in oxygen-poor water.

Some ants cultivate fungus as a food source.

Fact #521 · Animals

Some animals use echolocation to navigate in darkness.

Fact #278 · Animals

A crocodile’s teeth are replaced throughout its lifetime.

Fact #532 · Animals

Some frogs carry their tadpoles on their backs.

Fact #354 · Animals

Certain frogs use loud calls to attract mates.

Fact #459 · Animals

Some reptiles can survive long periods without food.

Fact #501 · Animals

Certain beetles can produce sounds by rubbing body parts together.

Fact #546 · Animals

Certain birds use mud to construct their nests.

Fact #562 · Animals