The development of organ transplantation extended human lifespan.

Some birds can see ultraviolet light.

Fact #120 · Animals

Bats are the only mammals capable of sustained flight.

Fact #58 · Animals

A camel's hump stores fat, not water.

Fact #419 · Animals

Some species of bats use echolocation to hunt in darkness.

Fact #390 · Animals

A camel can drink large amounts of water in a short time.

Fact #458 · Animals

Archerfish shoot jets of water to knock insects off branches.

Fact #346 · Animals

A group of wolves is called a pack.

Fact #112 · Animals

A chameleon changes color primarily for communication and temperature control.

Fact #431 · Animals