Some insects can survive being frozen.

Some species of jellyfish glow in the dark.

Fact #357 · Animals

Some mammals hibernate during winter.

Fact #303 · Animals

Some species of ants wage organized territorial battles.

Fact #401 · Animals

Certain frogs use loud calls to attract mates.

Fact #459 · Animals

Certain birds perform elaborate mating dances.

Fact #507 · Animals

Elephants have one of the longest gestation periods of any land animal.

Fact #386 · Animals

Certain species of fish live near hydrothermal vents.

Fact #467 · Animals

Certain species of frogs are active at night.

Fact #519 · Animals