Why are Some Wild Cats Black?

Photo: Bruce McAdam, via Wikimedia Commons. Distributed under a CC BY-SA 2.0 license.

Photo: Bruce McAdam, via Wikimedia Commons. Distributed under a CC BY-SA 2.0 license.

Black coloring is common in cats, from domestic kitties to leopards and jaguars. The persistence of this genetic trait in wild populations suggests it confers some advantage. But new research indicates it’s more of an evolutionary balancing act.

The occurrence of black coloring, also known as melanism, arises from a genetic mutation that regulates the production of the pigment melanin. These melanistic cats are the same species as their lighter-coated counterparts; it’s similar to the difference between brunettes and blondes.

Melanism has been documented in 14 out of the 40 wild species of cats. Scientists have suggested that melanism could be associated with factors such as camouflage, thermoregulation, and habitat use. Now, new research points to another factor: visual communication with other cats.

Read my latest Nat Geo news story: Is Being a Black Panther Beneficial? It Depends.

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