Lesser Black-backed Gull (graellsii & intermedius)(last update: |
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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 graellsii K.XAX 4CY & 6CY, June 2013 & April 2015, Noordwijk & Maasvlakte, the Netherlands. Picture: Merijn Loeve & Mars Muusse.Bird ringed as pullus on 15 July 2010 at Kelderhuispolder, Texel, the Netherlands; ringed as Lesser Black-backed Gull (Larus fuscus graellsii - Dutch integrade). Lesser Black-backed Gull graellsii K.XAX 4CY, June 24 2013, Noordwijk, the Netherlands. Picture: Mars Muusse.Sub-adult LBBG, 4CY bird. Note extensive pattern on secondaries, and large dark markings on greater primary coverts. Small mirror on P10. Distinct adult-like pattern on P3-P5 indicate this bird is older than 3CY. This bird is now in its complete moult: P1-P2 missing/growing, P3-P10 old. Lesser Black-backed Gull graellsii K.XAX 6CY, April 07 2015, Maasvlakte, the Netherlands. Picture: Merijn Loeve.Ringed as pullus in 2010 at island Texel, now 6CY. |