attractive to the other sex
epigamic, epigamous 1. Relating to the mating of animals and the characteristics of color, etc., that serve to attract the opposite sex during courtship. 2. A reference to traits or behaviors which attract a mate. Examples of epigamous traits include such physical features as bright feathers in birds or big antlers. With humans, it might be a fan...
attracting the opposite sex, as the colors of certain birds.