Glaucous-winged Gull in Gloucestershire: new to Britain
01 January 2010
Open Access
Abstract During a visit to record colour-ringed gulls at Gloucester Landfill Site, near Hempsted, Gloucestershire, on 15th December 2006, an unfamiliar gull was discovered. Photographs suggested that it most closely resembled Glaucous- winged Gull Laru...
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