Tortoises have immune systems so robust they can survive injuries that would kill most animals.

Some insects communicate using pheromones.

Fact #469 · Animals

Snow leopards use their long tails for balance.

Fact #371 · Animals

A dolphin’s brain is relatively large compared to its body size.

Fact #456 · Animals

The African elephant is the largest land animal alive today.

Fact #403 · Animals

Certain species of ants form massive supercolonies.

Fact #475 · Animals

Some species of sharks must keep moving to breathe.

Fact #284 · Animals

Narwhals are known for their long spiral tusks.

Fact #376 · Animals

Clownfish can change sex during their lifetime.

Fact #361 · Animals