A newborn blue whale gains about 200 pounds per day during its first year of life.

Some mammals, like bats, use echolocation.

Fact #465 · Animals

Certain insects communicate using vibrations.

Fact #430 · Animals

Octopuses can solve simple puzzles and open jars.

Fact #31 · Animals

Certain beetles can produce sounds by rubbing body parts together.

Fact #546 · Animals

A mantis shrimp can strike with the speed of a bullet.

Fact #342 · Animals

Some sharks can reproduce without a mate in rare cases.

Fact #544 · Animals

Some reptiles can live for over a century.

Fact #319 · Animals

Some frogs can change color depending on temperature or mood.

Fact #548 · Animals