Melanism is a genetic mutation characterized by an overproduction of melanin, the pigment responsible for the dark coloration ...

An ultra-rare all-black penguin has been spotted on South Georgia Island, standing out among its more typical black-and-white buddies by bucking the tuxedo trend with an entirely black body.

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This change from predominantly light to dark forms in industrial areas is called industrial melanism. Note that this change was not due to pollution making the moths darker. The dark variety had ...

In a follow-up post, Kaswan elaborated on the unique characteristics of black panthers, explaining that their striking appearance is due to a genetic condition called melanism. “In India ...