Black-headed Gull Larus ridibundusAlbinistic individual, Frankley Reservoir, West Midlands, September 2003 |
© A. R. Dean |
This individual has wintered in the area of Bartley and Frankley
Reservoirs for around ten years.
Black areas and bare parts normal but mantle, scapulars, tertials and coverts lacking
usual grey component.
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