Some species of fish have antifreeze in their blood — glycoprotein molecules prevent ice crystal formation.

A puffin can carry multiple fish in its beak at once.

Fact #567 · Animals

A crocodile can replace its teeth multiple times in its life.

Fact #406 · Animals

The Earth's oceans contain over 200,000 identified species.

Fact #180 · Animals

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals

A hummingbird's heart can beat over 1,000 times per minute.

Fact #345 · Animals

Certain ants can detect chemical trails left by their colony.

Fact #448 · Animals

Some ants farm fungi as a food source.

Fact #190 · Animals

Some birds can sleep while flying.

Fact #332 · Animals