Popular Science reported
A treasure trove of prehistoric squirrel poop is painting a picture of a lost world. Some of the oldest DNA ever discovered and sequenced lies deep inside these ancient rodent droppings. That fossilized poop (or coprolite) is full of 700,000-year-old environmental DNA from numerous plants, insects, microbes, and large mammals that once lived in Canada’s Yukon, many of which are long gone. A study published today in the journal Nature Communicationsdescribes the findings.
Read more at 700,000-year-old squirrel poop helps scientist recreate an ancient world
Natural History Wanderings 
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