IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse
(last update: January 01, 2023)
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| Y.BWK |
| NLA x.xxx.xxx |
| Lesser B-backed Gull |
| sex?, pullus |
| ringed: June 29 2015 |
| Forteiland IJmuiden, - |
| Relations: |
| - |
| - |
Lesser Black-backed Gull (graellsii) Y.BWK 3CY, June 02 2017, Heemskerk, the Netherlands. Picture: Mars Muusse.
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.
Bird still present in territory in the colony until August 08 2015.
below: Lesser Black-backed Gull (graellsii) Y.BWK 3CY, June 02 2017, Heemskerk, the Netherlands. Picture: Mars Muusse.
Present at sand suppletion at Heemskerk beach.
3CY with arrested moult at P8 (P9-P10 old 2nd gen).
