As a result, competitive displays have been interpreted as a way to demonstrate fitness to a potential mate. A bird that survives, despite inconvenient plumage that slows it down or makes it visible to predators, must be fit, and will likely sire a healthy progeny.
结果是竞争性炫耀被视为向潜在配偶展示健康的方法。漂亮的羽毛吸引掠食者，拖慢奔跑速度，但在羽毛的拖累下仍可存活的鸟类肯定非常健康，而且繁衍出健康的后代的可能性也较大。