Seeing red: why do all these beetles look like each other?

From: “Persistence of multiple patterns and intraspecific polymorphism in multi-species Müllerian communities of net-winged beetles”, M. Bocek, D. Kusy, M. Motyka and L. Bocak (2019). Frontiers in Zoology 16:38 https://frontiersinzoology.biomedcentral.com/articles/10.1186/s12983-019-0335-8 We’ve all seen warning colouration – the stripes on bees and wasps, the bright hues of snakes and the colourful spots of tropical frogs all …

How melanic was my squirrel: how dark squirrels got their colour

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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