Ankylosaurus

Squat, heavily armored quadrupeds, ankylosauruses are stubborn and irascible. Although they're herbivores, ankylosauruses have been known to attack trespassers simply out of ill temper. Ankylosauruses have few natural predators, as their bony hides are covered in spiked nubs that jut in many different directions to discourage larger creatures from biting them. An ankylosaurus is about 30 feet long, 10 feet tall at the shoulder, and weighs over 3 tons. Remnants from the world's primeval era, th