IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse
(last update: January 01, 2023)
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| Y.ARW |
| NLA 5.516.949 |
| Lesser B-backed Gull |
| sex?, pullus |
| ringed: July 05 2010 |
| Katwijk, industrieterrein 't Heen |
| Relations: |
| - |
| - |
Lesser Black-backed Gull (graellsii) Y.ARW 3CY & 7CY, May 1012 & June 2016, Spain & the Netherlands. Picture: Delfín González & Merijn Loeve.
Ringed as pullus in season 2010 at Forteiland, IJmuiden.
Ringed by Fred Cottaar ringing team.
Bird has become a rooftop breeder in Katwijk.
below: Lesser Black-backed Gull (graellsii) Y.ARW 7CY, June 16 2016, 't Heen - Katwijk, the Netherlands. Picture: Merijn Loeve.
below: Lesser Black-backed Gull (graellsii) Y.ARW 3CY, May 02 1012, Landfill VRSU de Colmenar Viejo, Madrid, Spain. Picture: Delfín González.
Life history until July 2021:
| 2010 | 7 | 5 | IJmuiden, Forteiland | NL | 52,46 | 4,58 | F & K | Cottaar-Verbeek ringteam | als kuiken geringd |
| 2010 | 7 | 11 | IJmuiden, Forteiland | NL | 52,46 | 4,58 | Fred | Cottaar | 2 br/zus / bedelen bij kl ma |
| 2010 | 7 | 22 | IJmuiden, Forteiland | NL | 52,46 | 4,58 | Fred | Cottaar | piertje |
| 2010 | 7 | 25 | IJmuiden, Forteiland | NL | 52,46 | 4,58 | Fred | Cottaar | piertje |
| 2010 | 7 | 26 | IJmuiden, Forteiland | NL | 52,46 | 4,58 | José & Kees | Verbeek | vliegvlug / piertje |
| 2010 | 8 | 1 | IJmuiden, Forteiland | NL | 52,46 | 4,58 | Fred | Cottaar | zuidzijde Forteiland |
| 2012 | 5 | 2 | Pinto, Madrid, rubbish dump | ESP | 40,25 | -3,7 | Delfin | Gonzalez | Mercedes Fernández and Delfín González; photo provided |
| 2013 | 5 | 25 | IJmuiden, Forteiland | NL | 52,46 | 4,58 | Fred | Cottaar | poetsend |
| 2013 | 6 | 20 | Noordwijk aan Zee p83 strandsuppletie Jun 2013 | NL | 52,23 | 4,42 | Roland-Jan | Buijs | zandsuppletie Noorwijk, met Jeroen Nagtegaal |
| 2016 | 5 | 14 | Katwijk, binnenwatering | NL | 52,20 | 4,38 | Annelies | Marijnis | Photo provided |
| 2016 | 6 | 16 | Bedrijventerrein 't Heen, Katwijk | NL | 52,20 | 4,43 | Merijn | Loeve | Photo provided, breeding roof-nest, not seen here in earlier years (first time?) |
| 2017 | 5 | 1 | Katwijk, binnenwatering | NL | 52,20 | 4,38 | Annelies | Marijnis | Photo provided |
| 2017 | 5 | 30 | jachthaven (Berghaven) Katwijk | NL | 52,20 | 4,41 | Annelies | Marijnis | |
| 2017 | 7 | 31 | Katwijk, binnenwatering | NL | 52,20 | 4,38 | Annelies | Marijnis | |
| 2018 | 4 | 23 | Alutech, dakkolonie, 't Heen | NL | 52,20 | 4,43 | Merijn | Loeve | broedvogel |
| 2018 | 6 | 14 | Katwijk, binnenwatering | NL | 52,20 | 4,38 | Annelies | Marijnis | |
| 2019 | 6 | 22 | Katwijk, binnenwatering | NL | 52,20 | 4,38 | Annelies | Marijnis | |
| 2019 | 8 | 13 | Katwijk, binnenwatering | NL | 52,20 | 4,38 | Annelies | Marijnis | |
| 2021 | 5 | 3 | Katwijk, binnenwatering | NL | 52,20 | 4,38 | Annelies | Marijnis | |
| 2021 | 7 | 2 | Katwijk, binnenwatering | NL | 52,20 | 4,38 | Annelies | Marijnis |