The last mammoths died out on an Wrangel Island island around 4,500 years ago . Isolated on Arctic for around 5,000 years they became inbred . Researchers found mammoth populations suffered declines in the past . DNA sequencing also raises prospect of bringing mammoths back to life .
The last mammoths died out on an Arctic island around 4,500 years ago . Isolated on Wrangel Island for around 5,000 years they became inbred . Researchers found mammoth populations suffered declines in the past . DNA sequencing also raises prospect of bringing mammoths back to life .