Multiple Causes of Woolly Mammoth Extinction

A study by Glen MacDonald, director of UCLA’s Institute of the Environment and Sustainability and a professor of Ecology and Evolutionary Biology (EEB) along with Robert Wayne and Blaire Van Valkenburgh, also EEB professors, found that woolly mammoths succumbed to a lethal combination of climate warming, encroaching humans and habitat change between 4,000 and 10,000 years ago.