IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse
(last update: January 01, 2023)
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| Y.CAF |
| NLA 5.474.172 |
| Lesser B-backed Gull hybrid |
| male, adult |
| ringed: May 13 2016 |
| Forteiland IJmuiden, Centrale vlak |
| Relations: |
| Y.CNV female, partner 2019 |
| Y.CNV female, partner 2018 |
| Y.CLD offspring 2017 |
| Y.CDJ offspring 2017 |
| unringed female, partner 2017 |
| - |
| - |
Lesser Black-backed Gull (graellsii) presumed hybrid Y.CAF adult, April 2017 - October 2020, the Netherlands. Picture: Maarten van Kleinwee & Mars Muusse.
Ringed as breeding adult male in season 2016 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
G-YCAF is a presumed hybrid Lesser Black-backed Gull x Yellow-legged Gull and has slightly paler mantle than average birds in the colony.
Last seen in colony Forteiland in 2019. But there are observations even in 2021.
below: Lesser Black-backed Gull (graellsii) presumed hybrid Y.CAF >8CY, October 19 2020, Langevelderslag, the Netherlands. Picture: Mars Muusse.
P8 f.g. PMS= 45.
Grey tone difficult to establish - dark clouded conditions.
below: Lesser Black-backed Gull (graellsii) presumed hybrid Y.CAF >7CY, April 23 2019, IJmuiden, the Netherlands. Picture: Mars Muusse.
below: Lesser Black-backed Gull (graellsii) presumed hybrid Y.CAF >7CY, March 29 2019, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
below: Lesser Black-backed Gull (graellsii) presumed hybrid Y.CAF >6CY, October 15 2018, Langevelderslag, the Netherlands. Picture: Mars Muusse.
P8/-.
below: Lesser Black-backed Gull (graellsii) presumed hybrid Y.CAF >5CY, April 10 2017, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
Male.
