The glass frog of Central and South America has transparent skin through which its internal organs are visible.

Some birds migrate using landmarks and stars.

Fact #477 · Animals

Certain frogs can glide from tree to tree.

Fact #394 · Animals

An albatross can glide for hours without flapping its wings.

Fact #539 · Animals

Certain whales use bubble nets to trap fish.

Fact #515 · Animals

Some butterflies migrate seasonally.

Fact #505 · Animals

A squid can propel itself rapidly by jetting water.

Fact #417 · Animals

Male seahorses carry and give birth to their young.

Fact #359 · Animals

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals