Known for their fluffy ears, round faces and big black noses, koalas spend most of their time snoozing in the canopies of eucalypt forests. Their penchant for perching high up and moving very little makes these Australian icons difficult to trace. But that could soon change thanks to a new technique that can “sniff” out koalas’ whereabouts.
The method, described October 13 in the Journal of Applied Ecology, captures DNA floating around the marsupial’s natural environment using filters made of cheesecloth, a gauzy fabric commonly found in kitchens.
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