IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse
(last update: January 01, 2023)
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| Y.DBU |
| NLA 6.204.223 |
| Herring Gull |
| female, adult |
| ringed: May 26 2020 |
| Forteiland IJmuiden, oost buiten kolonie |
| Relations: |
| male unringed, partner 2020 |
| - |
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Herring Gull (argenteus) Y.DBU adult, May 2020 & July 2023, IJmuiden, the Netherlands. Picture: Mars Muusse & Maarten van Kleinwee.
Ringed as breeding adult in May 2020 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
below: Herring Gull (argenteus) Y.DBU >7CY, July 14 2023, IJmuiden, the Netherlands. Picture: Mars Muusse.
Had no territory, and hence no nest, nor partner in 2023.
below: Herring Gull (argenteus) Y.DBU >4CY, May 26 2020, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
Life history until January 2021:
| YDBU | Geringd | 2020 | 5 | 26 | Forteilandkolonie IJmuiden, oost buiten kolonie | NL | 52,5 | 4,6 | Fred | Cottaar | caught on nest 2 eggs |
| YDBU | Gezien | 2020 | 6 | 7 | Forteilandkolonie IJmuiden, langs pad oost | NL | 52,5 | 4,6 | Maarten van | Kleinwee | Met ongeringde partner, rechts van blauwe bord. |
| YDBU | Gezien | 2020 | 6 | 22 | Forteilandkolonie IJmuiden, talud zuid | NL | 52,5 | 4,6 | Jan | Zorgdrager | |
| YDBU | Gezien | 2020 | 7 | 7 | Callantsoog, strand km-paal 13 | NL | 52,8 | 4,7 | Gerard | Westerhuis | Photo provided |
| YDBU | Gezien | 2020 | 7 | 22 | Forteilandkolonie IJmuiden, talud zuid | NL | 52,5 | 4,6 | Fred | Cottaar | op zuid talud thv blauwe bord |
| YDBU | Gezien | 2020 | 10 | 15 | Strekdam 17 strand St Maartenszee-Callantsoog | NL | 52,8 | 4,7 | Jan | Zorgdrager | Photo provided |
| YDBU | Gezien | 2020 | 10 | 28 | strand IJmuiden | NL | 52,4 | 4,6 | Marco | Leloux | Photo provided |
| YDBU | Gezien | 2020 | 12 | 4 | Terschelling, strand paal 21-22 | NL | 53,4 | 5,5 | Jacob de | Vries | Photo provided |
| YDBU | Gezien | 2020 | 12 | 15 | Terschelling, strand paal 21-22 | NL | 53,4 | 5,5 | Jacob de | Vries | Photo provided |
| YDBU | Gezien | 2020 | 12 | 16 | Terschelling, strand paal 21-22 | NL | 53,4 | 5,5 | Jacob de | Vries | . |
| YDBU | Gezien | 2020 | 12 | 31 | Terschelling, strand paal 21-22 | NL | 53,43 | 5,47 | Jacob de | Vries | . |
| YDBU | Gezien | 2021 | 1 | 10 | Terschelling, strand paal 21-22 | NL | 53,4 | 5,5 | Jacob de | Vries | . |
| YDBU | Gezien | 2021 | 1 | 11 | Terschelling, strand paal 21-22 | NL | 53,4 | 5,5 | Jacob de | Vries | Photo provided; last dark head specks, some remaining black on bill tip |