Ancient squirrel feces a ‘time capsule,’ smelling as fresh as 700,000 years ago thecanadianpressnews.caSquirrel droppings yield a goldmine of prehistoric DNA The Globe and MailB.C. researchers discover ‘treasure trove’ of Ice Age DNA in ancient squirrel droppings Vancouver SunA Surprising Find in Ancient Squirrel Poop: Woolly Mammoth Meat The New York TimesAncient squirrel feces a ‘time capsule,’ smelling as fresh as 700,000 years ago Toronto Star