Some beetles produce defensive chemicals to deter predators.

Dragonflies can fly in all directions, including backward.

Fact #352 · Animals

Dolphins use echolocation to navigate and hunt underwater.

Fact #12 · Animals

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals

Certain species of fish build bubble nests.

Fact #511 · Animals

Some snakes can sense heat using specialized pits.

Fact #408 · Animals

Certain whales use bubble nets to trap fish.

Fact #515 · Animals

Certain frogs can glide from tree to tree.

Fact #394 · Animals

A polar bear's fur is actually transparent.

Fact #391 · Animals