Canada

Scientists Pulled 700,000-Year-Old DNA From Frozen Squirrel Poop – Gizmodo

  1. Scientists Pulled 700,000-Year-Old DNA From Frozen Squirrel Poop  Gizmodo
  2. Ground squirrel coprolites preserve complex archives of ancient environmental DNA over 700,000 years  Nature
  3. Squirrel poop dating back to last ice age is full of mammoth, horse DNA  CBC