A stuffed young male mammoth found in August 2012 in the estuary of the Yenisei river in Taymyr Peninsula is presented in the Whale Room of the Zoological Museum in St. Petersburg. The carcass of the 15-year-old adolescent mammoth was found by Zhenya, a son of a Nenets caribou breeder, thus the extinct animal was called after the boy&#039;s name. 