Crows can recognize individual human faces and remember them for years.

Each pumpkin has about 500 seeds inside.

A group of flamingos is called a flamboyance.

A group of owls is called a parliament.

Gentoo penguins give pebbles to the penguin they want as a mate.

Koalas sleep up to 20 hours a day.

Mars has the tallest volcano in the solar system, called Olympus Mons.