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 3CY, June 13 2016, Katwijk, the Netherlands.Note 2nd gen primaries and 2nd gen inner secondaries, just visible. |