Polar bears are the largest land-dwelling predatory animals on earth. Their thick, snow-white fur and thick layer of fat protects them from the cold.

The Spinosaurus was one of the most dangerous dinosaurs.

Of all animals that ever lived on earth, the Therizinosaurus probably had the longest claws.

Fun Fact: Tiger cubs are born with blue eyes.

The thirteen metre long Tyrannosaurus Rex was a two legged predatory dinosaur. With its powerful head and nearly 20 centimetre long teeth, this dinosaur was an extremely impressive contemporary.