IJmuiden Project - Fred Cottaar, José Verbeek, Maarten van Kleinwee & Mars Muusse
(last update: January 01, 2023)
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Y.DAU  |
| NLA 5.540.211 |
| Lesser B-backed Gull |
| female, adult |
| ringed: May 25 2020 |
| Forteiland IJmuiden, Zuidvlak |
| Relations: |
| male unringed, partner 2024 |
| male unringed, partner 2023 |
| male unringed, partner 2022 |
| male unringed, partner 2021 |
| NLA 5627845 offspring 2024 |
| Y.DTP offspring 2023 |
| Y.DTW offspring 2023 † |
| Y.DDF offspring 2020 |
| Y.DDD offspring 2020 |
| male unringed, partner 2020 |
| - |
| - |
Lesser Black-backed Gull (graellsii) Y.DAU adult, May 2020 - April 2024, IJmuiden, the Netherlands. Picture: Mars Muusse & Maarten van Kleinwee.
Ringed as breeding adult in season 2020 at Forteiland, IJmuiden. Ringed by Fred Cottaar ringing team.
Logger bird: #5557 attached in 2020.
below: Lesser Black-backed Gull (graellsii) Y.DAU >8CY, June 2024, IJmuiden, the Netherlands. Picture: Uva BITS.
June 12-15 2024. Both terrestrial and marine. In Amsterdam, visits waste management facilities (see enlarged). Nest with 1 chick: 18-20 days old.
Below: Graph which includes the only chick in nest YDAU (nest 53 with chick 53A), orange line. Note that for this period (18-20 days), the line is above colony average.
below: Lesser Black-backed Gull (graellsii) Y.DAU >8CY, June 2024, IJmuiden, the Netherlands. Picture: Uva BITS.
June 3-5 2024. Terrestrial, not marine. To fields (worms), waste recycling and city. Nest with 1 chick: 9-11 days old.
below: Lesser Black-backed Gull (graellsii) Y.DAU >8CY, May 2024, IJmuiden, the Netherlands. Picture: Uva BITS.
May 23-25 2024. Not marine but visits meadows. Away from nest for prolonged periods. In this timespan, two out of 3 eggs predated. One egg left, which will hatch within couple of days.
below: Lesser Black-backed Gull (graellsii) Y.DAU >8CY, May 2024, IJmuiden, the Netherlands. Picture: Uva BITS.
May 01-03 2024. Not marine.
below: Lesser Black-backed Gull (graellsii) Y.DAU >8CY, April 02 2024, IJmuiden, the Netherlands. Picture: Mars Muusse.
below: Lesser Black-backed Gull (graellsii) Y.DAU >8CY, March 2024, IJmuiden, the Netherlands. Picture: Uva BITS.
March 26 to March 28 2024.
below: Lesser Black-backed Gull (graellsii) Y.DAU flight data May 2021.
below: Lesser Black-backed Gull (graellsii) Y.DAU flight data April 2021.
below: Lesser Black-backed Gull (graellsii) Y.DAU flight data April 2021.
below: Lesser Black-backed Gull (graellsii) Y.DAU >7CY, May 12 2023, IJmuiden, the Netherlands. Picture: Mars Muusse.
below: Lesser Black-backed Gull (graellsii) Y.DAU >7CY, May 05 2023, IJmuiden, the Netherlands. Picture: Mars Muusse.
below: Lesser Black-backed Gull (graellsii) Y.DAU >6CY, April 25 2022, IJmuiden, the Netherlands. Picture: Mars Muusse.
below: Lesser Black-backed Gull (graellsii) Y.DAU >6CY, April 11 2022, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
below: Lesser Black-backed Gull (graellsii) Y.DAU >5CY, April 16 2021, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
below: Lesser Black-backed Gull (graellsii) Y.DAU >4CY, June 29 2020, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
below: Lesser Black-backed Gull (graellsii) Y.DAU >4CY, May 26 2020, IJmuiden, the Netherlands. Picture: Maarten van Kleinwee.
