Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
Lesser Black-backed Gull graellsii 3.R 1CY-3CY, September 2022 - August 2024, the Netherlands & , Spain. Picture: David Cerezo, Thijs Horst & Mars Muusse.
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Tibia red 3.R and metal NLA 5.623.578, ringed as pullus Lesser Black-backed Gull (Larus fuscus) on 26-05-2022 at colony De Kreupel (IJsselmeer), the Netherlands (NL 5247.00 n 513.00 E), by ringer Leon Kelder.
Recoveries:
29-08-2022 Islantilla (Strand), Huelva, SPANJE 3.712,00 N 713,00 W colourring read Publieke melder
09-09-2022 Ayamonte (Isla Canela), Huelva, SPANJE 3.712,00 N 719,00 W colourring read David Cerezo
19-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
28-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst & M. Muusse
05-08-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & T. Muusse
Bird from De Kreupel, nest F1 on island F. Data for this nest:
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Bill (mm) | Mass (gr) |
| 29-4-2022 | 3 eggs | |||||||||
| 13-5-2022 | 3 eggs | |||||||||
| 26-5-2022 | 3 pulli in nest, r-3.R & metal re-used here | 5623578 | Red 3.R | 48.0 | 63 | |||||
| Herring Gull | 5623604 | Red 4.D | 46.3 | 48 | ||||||
| 5623605 | Red 4.E | 53.0 | 93 |
Previously, colour ring r-3.R was used in nest J1, but that chick died. Data for this nest:
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Bill (mm) | Mass (gr) |
| 29-4-2022 | 3 eggs | |||||||||
| 13-5-2022 | 2 eggs & 1 hatching egg | |||||||||
| 20-5-2022 | 2 pulli, 1 egg | 5623578 | Red 3.R | 59.2 | 117 | |||||
| 5623579 | Red 3.S | 58.3 | 112 | |||||||
| 26-5-2022 | 1 dead chick, r-3.R & metal will be re-used | 5623578 | Red 3.R |
below: Lesser Black-backed Gull graellsii 3.R 3CY, August 05 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Lesser Black-backed Gull graellsii 3.R 3CY, July 28 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Lesser Black-backed Gull graellsii 3.R 3CY, July 19 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Lesser Black-backed Gull graellsii 3.R 1CY, September 09 2022, Ayamonte, Spain. Picture: David Cerezo.
At the ringing session, we sometimes have neighbour's chicks in a nest (and this has been proven by recordings on the camera traps, where sometimes a group of up to 5 chicks are fed by just one parent).
Maybe a neighbour's Lesser Black-backed Gull chick ended up in nest J1?
