IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse
(last update: January 01, 2023)
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| Y.BWJ |
| NLA x.xxx.xxx |
| Lesser B-backed Gull |
| sex?, pullus |
| ringed: June 29 2015 |
| Forteiland IJmuiden, - |
| Relations: |
| - |
| - |
Lesser Black-backed Gull (graellsii) Y.BWJ 1CY, June-August 2015, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
Ringed as pullus in season 2015 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
Continental graellsii from this population are also referred to as 'Dutch intergrade', upperparts between medium grey British graellsii and dark grey Scandinavian intermedius.
below: Lesser Black-backed Gull (graellsii) Y.BWJ 1CY, August 02 2015, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
Juvenile plumage. The anchor-pattern in some of the scapulars is typical for second-generation feathers, but may be (late growing?) first-generation feathers.
below: Lesser Black-backed Gull (graellsii) Y.BWJ 1CY, June 29 2015, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
Juvenile, processed when ringed.
