Anatomy

Plumage

定义

The complete covering of feathers on a bird, varying by species, age, sex, and season.

详细说明

Plumage encompasses every feather on a bird's body, serving insulation, aerodynamics, waterproofing, and visual signaling. It changes through molt cycles, producing distinct breeding (nuptial) and non-breeding plumages. Sexual dimorphism in plumage is pronounced in many species, with males displaying vivid colors while females retain cryptic tones for camouflage during nesting.

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