IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse
(last update: January 01, 2023)
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| Y.BXS |
| NLA x.xxx.xxx |
| Lesser B-backed Gull |
| sex?, pullus |
| ringed: July 06 2015 |
| Forteiland IJmuiden, - |
| Relations: |
| - |
| - |
Lesser Black-backed Gull (graellsii) Y.BXS 1CY & 3CY, July 2015 & June 2017, the Netherlands. Picture: Maarten van Kleinwee & Mars Muusse.
Ringed as pullus in breeding season 2015 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
below: Lesser Black-backed Gull (graellsii) Y.BXS 3CY, June 18 2017, Utrecht, the Netherlands. Picture: Mars Muusse.
Bird in complete moult: P1/P3, P2 growing. Secondaries and rectrices 2nd gen, classic graellsii.
below: Lesser Black-backed Gull (graellsii) Y.BXS 1CY, July 06 2015, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
Green YBXS in full juvenile plumage. The outer primaries still need grow to full length.
