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Adult male
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Adult male transitioning into alternate plumage (June), note emerging brown feathers on breast
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Male transitioning into alternate (formerly referred to as "eclipse") plumage (June), note emerging brown feathering on breast and flanks
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Fall, Basic-plumaged adult male (October).
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Late Fall, basic-plumaged adult male (November).
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Basic-plumaged adult male (October)
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Late Fall, basic-plumaged adult male (November).
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Fall, adult pair in basic plumage (October).
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Presumed first basic-plumaged male (January), note plain face, lack of warm brown tones on head and nape, also has paler breast and flanks than adult male and lacks long, narrow, rusty-edged scapular feathers.
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Winter, after hatch-year female (January), Ohio.
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Winter, basic-plumaged adult female (January), Ohio. This head tipped forward with bill pointed down posture is an often-seen in this species.
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Winter, Presumed first basic-plumaged female (December), note overall warm brown/buff tones in plumage, small, rounded back and covert feathers with broad golden buff margins, and the plain buffy face.
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Presumed first basic-plumaged female (December), note overall warm brown/buff tones in plumage, and the buffy rather than gray face. Gadwall have a distinctive head shape that is rather square and features a peaked forecrown.
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Early Fall, hatch-year juvenile (August), Washington.
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Early Fall, fully-grown hatch-year (August), Oregon.
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Early Fall, fully-grown hatch-year (August), Oregon.
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Summer, partially-grown ducklings (July), Oregon.
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Basic-plumaged adult male (February)
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