- June 13: Fossilized squirrel poop full of ancient animals, and more… CBC
- Ground squirrel coprolites preserve complex archives of ancient environmental DNA over 700,000 years Nature
- Ancient Squirrels Ate Woolly Mammoth Meat. The Proof Is in the Poop. The New York Times
- McMaster researchers trace arctic evolution in squirrel droppings CHCH
- Ancient squirrel poop from Arctic permafrost contains DNA from mammoths, bison, horses and big cats Live Science
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