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Lesser Black-backed Gull (graellsii) NLA 5.416.821 adult, April 23 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.Mtal ring Arnhem NLA 5.416.821, ringed as pullus on July 14 2007 at Reyndersweg, Velsen Noord, the Netherlands. Recoveries: below: Lesser Black-backed Gull (graellsii) NLA 5.416.821 13CY, April 23 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.Note black centres on greater primary coverts in this 13CY bird. Black on 8 primaries. |
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