La Tour du Valat

Article

Problems with multiple colour rings on Curlews Numenius arquata

John Sanders, Auteur

Dans Ringing & Migration (32(1) January 2, 2017)

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Article

Glaucous-winged Gull in Gloucestershire: new to Britain

John Sanders, Auteur

Dans British Birds (103(1) JAN 2010)

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 Larus g[...]

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