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