USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

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

Previous Section -- Common goldeneye
Return to Contents
Next Section -- Bufflehead

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Webmaster
Page Last Modified: Friday, 01-Feb-2013 19:15:29 EST
Sioux Falls, SD [sdww54]