Lesser Black-backed Gull (graellsii & intermedius)(last update: May 17 2015) |
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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, July 09 2013, Katwijk, the Netherlands.P6-P10 old. P1-P3 new, P4 growing, P5 missing. Old 2nd gen tail and secondaries. |