Lesser Black-backed Gull (graellsii & intermedius)(last update: |
|
lbbg 1cy May lbbg 2cy January lbbg 3cy Jan-April lbbg sub-ad Jan-April lbbg adult January |
Lesser Black-backed Gull 3cy 4H July & August 2013, Utrecht, the Netherlands. Picture: Herman Bouman. Probably ringed as pullus on 02 July 2011 at Maasvlakte (Amazonehaven), Zuid-Holland, the Netherlands, by Hans Keijser and Roland-Jan Buijs. below: Lesser Black-backed Gull 3cy 4H July 24 2013, Utrecht, the Netherlands. Picture: Herman Bouman. Graellsii, with grey saddle. Complete moult: P7-P10 old. below: Lesser Black-backed Gull 3cy 4H August 04 2013, Utrecht, the Netherlands. Picture: Herman Bouman. below: Lesser Black-backed Gull 3cy 4H August 09 2013, Utrecht, the Netherlands. Picture: Herman Bouman. |