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 adult January |
Lesser Black-backed Gull 3CY, May 28 2015, Leiden, the Netherlands.P1 missing, P2-P10 old 2nd gen. R2 right 3rd gen. |