1. A condition in which an animal has abnormally reddish or red-colored skin, fur, feathers, or scales due to excessive pigmentation or a genetic variation.
Usage: plural of erythrism; biology/zoology term; contrasts with melanism (excessive dark pigmentation)

Examples

• The biologist documented several cases of erythrisms in wild bird populations.
• Erythrisms in squirrels result in reddish fur instead of the typical gray or brown coloring.
• Some fish species exhibit erythrisms that make them stand out in their natural habitats.
• The zoo's collection included animals displaying various erythrisms and other color mutations.
• Researchers study erythrisms to understand genetic variation in wildlife.