A complex ecosystem of woolly mammoths, bison, horses and big cats has been elucidated by studying the faeces of small rodents that probably ate the bigger animals
Več na: https://www.newscientist.com/article/2529635-frozen-squirrel-scat-preserves-ancient-dna-from-hundreds-of-species/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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