erythrism
/ɪˈrɪθrɪzəm/
noun
- An unusual reddish or pinkish coloration in an animal's fur, feathers, or skin, caused by a genetic condition.
- Birdwatchers were excited to spot a cardinal with erythrism, giving it a deeper pink hue.
- The squirrel's unusual red fur was a case of erythrism, not a different species.
- Erythrism in leopards is extremely rare, making the pinkish coat a striking sight.