Dogs have been trained to detect diseases such as cancer and diabetes.

A cheetah is built for speed with a lightweight body.

Fact #470 · Animals

A fox has keen hearing adapted for hunting small prey.

Fact #534 · Animals

Bats are the only mammals capable of sustained flight.

Fact #58 · Animals

A red kangaroo is the largest marsupial.

Fact #480 · Animals

Certain fish clean parasites off larger fish.

Fact #523 · Animals

Some species of ants can form bridges using their bodies.

Fact #420 · Animals

Some birds can use tools to access hidden food.

Fact #576 · Animals

The Amazon rainforest supports millions of species.

Fact #302 · Animals