Woolly mammoth vertebra Mammuthus primigenius, North Sea / Netherlands, Pleistocene (20,000 years old), on custom-made base, h. 57 cm, w. 33 cm

The woolly mammoth was the largest animal on the grassy steppe during the Ice Age, although approximately the size of a modern-day Asian elephant, and owes its name to its coarse winter coat of long hair.