In fact, overbright coloring makes birds easy for predators to spot, and the molts required to change between their normal and their nuptial plumage are also risky periods. So why do wild ducks adopt this swaggering display?
其實鳥類過於炫耀羽色，反遭天敵窺視，羽毛汰舊換新需要付出風險，為何野鴨還如此招搖過市？