Biology A specialized pattern of behavior used to communicate visually, such as the presentation of colors or plumage by male birds as part of courtship or intimidation.

• （鸟、鱼等为求偶等而作的）炫耀行为：用于直观交际的一种特定行为模式，如雄鸟借炫耀色彩或羽毛来求偶或恫吓