IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse
(last update: January 01, 2023)
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| CV7 |
| x |
| Lesser B-backed Gull hybrid |
| sex?, pullus |
| ringed: 1998 |
| IJbunker IJmuiden, - |
| Relations: |
| - |
| - |
Lesser Black-backed Gull (graellsii) hybrid CV7 10CY, August 19 2007, IJmuiden, the Netherlands. Picture: Ruud Altenburg.
Ringed as pullus Lesser Black-backed Gull x Yellow-legged Gull hybrid on July 08 1998 at IJmuiden. Ringed by Fred Cottaar ringing team.
below: Lesser Black-backed Gull (graellsii) hybrid CV7 10CY, August 19 2007, IJmuiden, the Netherlands. Picture: Ruud Altenburg.
Over the years, several 10's of green rings starting Exx or with Exxx have been used for ringing hybrids in IJmuiden. In the same period, the green Exx and Exxx series have also been used in Dintelhaven, Rotterdam by Norman van Swelm (other digits of course, but also green Exx and Exxx with two or with three digits/letters combinations).
