Goldfish can distinguish between different shapes and colors.

Some bamboo species can grow more than a foot in a single day.

Fact #115 · Animals

Some insects undergo complete metamorphosis.

Fact #289 · Animals

Some birds can see ultraviolet light.

Fact #120 · Animals

Elephants communicate using low-frequency sounds.

Fact #51 · Animals

Penguins can drink salt water because of specialized glands.

Fact #362 · Animals

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals

An albatross can glide for hours without flapping its wings.

Fact #539 · Animals

Emperor penguins can dive deeper than 1,500 feet.

Fact #344 · Animals