Shift in weaning age supports hunting-induced extinction of Siberian woolly mammoths
Ann Arbor MI (SPX) Oct 16, 2015 - Chemical clues about weaning age embedded in the tusks of juvenile Siberian woolly mammoths suggest that hunting, rather than climate change, was the primary cause of the elephant-like animal's extinction. Woolly mammoths disappeared from Siberia and North America about 10,000 years ago, along with other giant mammals that went extinct at the end of the last glacial period. Current competi ... more
No comments:
Post a Comment