Mammoths thrived in northern Siberia until about 12,000 years ago, when a warming climate—and ancient humans— pushed them toward extinction. Today climate change—and tusk hunters—are revealing their remains.
Woolly mammoth range
(About 12,000 years ago)
Lower sea levels during the last ice age connected Asia to North America and allowed mammoths to roam in areas, such as the New Siberian Islands, that are now disconnected from the mainland.
Sources: Ralf-Dietrich Kahlke, Senckenberg Research Institute, Weimar, Germany; Daniel Fisher, University of Michigan