Extinct Animals Research: Woolly Mammoth We have learned much about the Woolly Mammoth almost more than any other dinosaur that has been identified. Due to the fact that the Woolly Mammoth so closely resembles today's elephants, care for them would most probably require most of the same factors to keep it alive. Since the Woolly Mammoth has been extinct for 4000 years, it is difficult to tell exactly what they lived on, but we can hypothesize. The Woolly Mammoth lived during the Ice Age, so if alive today, it must be kept in a tundra environment. For food, only basic tundra vegetation is necessary. Due to the thi