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Species, Age and Sex Identification of Ducks Using Wing Plumage

Barrow's Goldeneye


Wing Character Male Female
Adult Immature Immature Adult
Middle and lesser coverts White over white secondaries; more distal often with dark centers Black with gray-white tips over secondaries Black with white tips to mostly white over secondaries
Greater secondary coverts White on distal half; sometimes with black tipping; bases form a broad black band White, sometimes with a trace of black at tips; black bases show as a narrow band White with a wide black band across tips; black bases show as a narrow band
Notch- length 97% > 222 mm. 96% > 217 mm. 94% < 217 mm. 96% < 222 mm.
Greater terital coverts Black with rounded tips and not frayed Black, somewhat pointed; often both frayed and faded at tips Black; tips rounded and often showing traces of gray
Tertials Shiny black; not frayed or faded Dull black; tips usually frayed and faded to gray Shiny black; not frayed or faded

JPG-Adult male Barrow's goldeneye JPG-Adult female Barrow's goldeneye JPG-Immature male Barrow's goldeneye JPG-Immature female Barrow's goldeneye

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