Some species of fish use tools — the tusk fish carries rocks to crack open clams.

Some insects have lifespans of only a few hours as adults.

Fact #411 · Animals

A crocodile can replace its teeth multiple times in its life.

Fact #406 · Animals

Elephants can detect distant thunderstorms through ground vibrations.

Fact #347 · Animals

Certain fish live in symbiotic relationships with other species.

Fact #535 · Animals

A hedgehog rolls into a spiny ball when threatened.

Fact #555 · Animals

Some birds cache food for later consumption.

Fact #461 · Animals

Certain species of ants form massive supercolonies.

Fact #475 · Animals

A group of flamingos is called a flamboyance.

Fact #10 · Animals