The Amazon river system contains 10% of all species on Earth.

The largest known dinosaur species were long-necked sauropods.

Fact #630 · Animals

Some reptiles can survive long periods without food.

Fact #501 · Animals

Certain species of squid can change color instantly.

Fact #558 · Animals

Archerfish shoot jets of water to knock insects off branches.

Fact #346 · Animals

Many birds use Earth's magnetic field for navigation.

Fact #388 · Animals

Some birds can use tools to access hidden food.

Fact #576 · Animals

Certain species of frogs are active at night.

Fact #519 · Animals

Certain owls hunt silently because of specialized feather structures.

Fact #542 · Animals