Lesser Black-backed Gull (graellsii & intermedius)(last update: May 17 2015) |
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Lesser Black-backed Gull graellsii SY6 > NJ 17CY & 19CY, May 2013 and May 2015, Katwijk, the Netherlands.Ringed as pullus on July 01 1997 at Europoort - Maasvlakte, the Netherlands. below: Lesser Black-backed Gull graellsii SY6 > NJ 19CY, May 29 2015, Katwijk, the Netherlands. Picture: Merijn Loeve.Green SY6 is a rooftop breeder nowadays in the coastal municipality of Katwijk, the Netherlands. Previous years present at the roof of a local police office, this year breeding on a 4-floors appartments building Tortellaan. Bird trapped at the nest and old ring replaced for new green tibia JN, and black tibia on other leg. P1 new, P2 missing. below: Lesser Black-backed Gull graellsii SY6 17CY, July 09 2013, Katwijk, the Netherlands.Interesting: P1-P2 new, P3-P10 old. Compare to very old P1-P2 in May, few months ago. below: Lesser Black-backed Gull graellsii SY6 17CY, May 19 2013, Katwijk, the Netherlands.Still black on primary coverts, but note sharp borders, not diffuse as in immatures. Black on P3-P10, mirror on P9-P10. Black nail on bill, red not reaching upper mandible, few spots in iris. |