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 2CY, August 17 2016, Utrecht, the Netherlands.Complete moult: P7 fully grown, P8 > P6, no old juvenile primaries. |