Flatfish (like flounder) begin life with eyes on both sides — one eye migrates to the other side as they mature.

Some marine animals use bioluminescence to produce light.

Fact #208 · Animals

A wolf's howl can travel several miles.

Fact #427 · Animals

Elephants communicate using low-frequency sounds.

Fact #51 · Animals

Some species of octopus can change both color and texture.

Fact #343 · Animals

Some amphibians undergo dramatic transformations during metamorphosis.

Fact #493 · Animals

Some species of penguins can swim at speeds of up to 15 miles per hour.

Fact #251 · Animals

Some beetles can lift objects many times their own weight.

Fact #378 · Animals

A zebra’s stripes may help confuse predators.

Fact #500 · Animals