The blue-ringed octopus contains enough venom to kill 26 humans — there is no antidote.

A fox has keen hearing adapted for hunting small prey.

Fact #534 · Animals

Some sharks detect electrical signals from other animals.

Fact #128 · Animals

Some spiders use vibrations to detect trapped prey.

Fact #455 · Animals

Some species of spiders can survive underwater for short periods.

Fact #414 · Animals

Blue whales are the largest animals known to have ever lived.

Fact #246 · Animals

Certain insects can mimic leaves to avoid predators.

Fact #463 · Animals

Archerfish shoot jets of water to knock insects off branches.

Fact #346 · Animals

Elephants can detect distant thunderstorms through ground vibrations.

Fact #347 · Animals