Hummingbirds are the only birds that can fly backward.

Dragonflies can fly in all directions, including backward.

Fact #352 · Animals

A sea lion can hold its breath for several minutes underwater.

Fact #400 · Animals

A polar bear’s sense of smell is extremely powerful.

Fact #486 · Animals

Some species of sharks must keep moving to breathe.

Fact #284 · Animals

Some insects have lifespans of only a few hours as adults.

Fact #411 · Animals

Certain species of ants farm aphids for food.

Fact #360 · Animals

Certain birds can recognize themselves in mirrors.

Fact #404 · Animals

Some birds cache food for later consumption.

Fact #461 · Animals