Animalia - The Quiz Game achievements

A rabbit’s teeth never stop growing. Fortunately, they’re naturally kept short by the normal wear and tear of chewing. Lots and lots of chewing, that is — about 120 times a minute.

Polar bears clean themselves by rolling in the snow.

Dragonflies are expert fliers. They can fly straight up and down, hover like a helicopter and even mate mid-air. If they can’t fly, they’ll starve because they only eat prey they catch while flying.

Weasels sometimes kill more food than they can eat.

Whales drown if they remain underwater for over 30 minutes.

Freya also enjoys stealing rolls of toilet paper. Who doesn't?

Wolves run on their toes, which helps them to stop and turn quickly and to prevent their paw pads from wearing down.

Agouti looks like a close relative of guinea pig. It has slender body covered with two-colored, glossy fur.

Tigers that breed with lions give birth to hybrids known as tigons and ligers.

Gorillas have unique noseprints, much like human fingerprints, which can be used to identify individuals.

Orangutans are gentle and sit for hours gazing.

What really makes Black Mambas a deadly serpent is its speed. It is the fastest known land snake known to mankind. They slither at a speed of 12.5 miles an hour.