The discovery of frozen squirrel scat has provided a unique window into the past, preserving ancient DNA from numerous species. This finding is based on the analysis of the faeces of small rodents that likely consumed larger animals. The preserved DNA offers insights into a complex ecosystem that existed in the past, involving various species such as woolly mammoths, bison, horses, and big cats. This discovery highlights the potential of unconventional sources to shed light on ancient environments and the interactions within them.

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