Some animals can live without aging in the normal sense.

A fox has keen hearing adapted for hunting small prey.

Fact #534 · Animals

Some amphibians can absorb oxygen through their skin.

Fact #328 · Animals

A blue whale's tongue can weigh as much as an elephant.

Fact #443 · Animals

Certain frogs are poisonous to predators.

Fact #418 · Animals

A king cobra can raise a third of its body off the ground.

Fact #421 · Animals

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

Fact #486 · Animals

A blue-ringed octopus carries venom potent enough to affect humans.

Fact #370 · Animals

Some birds cache food for later consumption.

Fact #461 · Animals