From: “Multiple origins of melanism in two species of North American tree squirrel (Sciurus)”, H.R. McRobie, N.D. Moncrief and N.I. Mundy (2019), BMC Evolutionary Biology 19:140 https://doi.org/10.1186/s12862-019-1471-7 Melanin is one of the most common pigments in nature. It determines our hair and skin colour, as well as that of many other animals – the more …
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