Lesser Black-backed Gull (graellsii & intermedius)(last update: June 25, 2012) |
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lbbg 1cy May lbbg 2cy January lbbg 3cy Jan-April lbbg sub-ad Jan-April lbbg ad January |
Lesser Black-backed Gull 3-4cy YK June 2009 & August 2010, Barneveld, The Netherlands. Ringed as pullus on June 14 2007 at Moerdijk, The Netherlands. Arnhem 5420815. below: 4cy YK August 11 2010, Barneveld, The Netherlands. Picture: Maarten van Kleinwee. Fourth-calendar year Lesser Black-backed Gull, moulting to winter plumage; P1 and P2 are new and fully grown, P3 is almost fully grown, P4 is half size, P5 has been dropped. below: 3cy YK June 24 2009, Barneveld, The Netherlands. Picture: Herman Bouman. Classic bird with dark tail-band. |