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 2CY, June 12 2016, Utrecht, the Netherlands.P1-P4 new, P5 growing. Hardly any pattern on innermost primaries. |