Of all the ice age megafauna, the woolly mammoth is the superstar and perhaps the best studied. Mammoths lived side-by-side with our human ancestors and, as the subject of prehistoric cave paintings found in Europe, we really saw how they looked. Mammoths existed for over 1 million years during the Quaternary period, which includes the Pliocene, Pleistocene and Holocene epochs.nSize: 9 x 8 x 3″