Trilobites dominated Earth's oceans for 270 million years before going extinct — longer than dinosaurs existed.

Some insects communicate using pheromones.

Fact #469 · Animals

Some birds can mimic human speech.

Fact #268 · Animals

Some plants respond to changes in light and touch.

Fact #95 · Animals

Certain frogs use bright colors to warn predators.

Fact #438 · Animals

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

Fact #406 · Animals

Certain species of fish live near hydrothermal vents.

Fact #467 · Animals

Certain frogs can glide from tree to tree.

Fact #394 · Animals

Some birds use tools to obtain food.

Fact #294 · Animals