Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
Caspian Gull cachinnans P:A02 5CY-8CY March 2021 - March 2024, Lelystad & De Kreupel, the Netherlands. Picture: Leon Kelder, Thijs Horst, Mars Muusse & Albert de Jong.
Metal ring PLG DN34502 and yellow P:A02, ringed as pullus on May 25 2017 in a mixed at mixed colony (Larus cachinnans kolonia) Kozielno, Poland, by ringers Jacek Betleja & Mateusz Ledwoń.
In all respects, y[P:A02] is cachinnans, no indication for hybrid.
Recoveries:
| 25/05/2017 | ZB.KOZIELNO,PACZKÓWm, POLAND (OPOLSKIE) | Jacek Betleja, Mateusz Ledwoń |
| 19/08/2017 | Itteren, NETHERLANDS (LIMBURG) | Robert van Tiel |
| 19/01/2018 | Lixhe, BELGIUM (LIEGE) | Dirk Ottenburghs |
| 07/02/2018 | Herstal, BELGIUM (LIEGE) | Louis Bronne |
| 14/04/2018 | Borgharen, Maas, NETHERLANDS (LIMBURG) | Robert van Tiel, Jaco van der Eijk |
| 19/05/2018 | Borgharen, Maas, NETHERLANDS (LIMBURG) | Robert van Tiel |
| 27/09/2018 | Haccourt:dalle de béton, BELGIUM (LIEGE) | Louis Bronne |
| 05/10/2018 | Lixhe:Mur de Lixhe, BELGIUM (LIEGE) | Louis Bronne |
| 24/02/2019 | Genk:sluis, BELGIUM (LIMBURG) | Karel Sauwens |
| 25/05/2019 | Borgharen, Maas, NETHERLANDS (LIMBURG) | Robert van Tiel |
| 10/11/2019 | Borgharen, NETHERLANDS (LIMBURG) | Robert van Tiel |
| 25/01/2020 | Maastricht, NETHERLANDS (LIMBURG) | Bjorn Alards, Robert van Tiel |
| 27/11/2020 | Oss - bedrijventerrein Elzenburg, NETHERLANDS (NOORD-BRABANT) | Tim Raats |
| 31/12/2020 | Tessenderlo, BELGIUM (LIMBURG) | P. J. |
| 24/03/2021 | Lelystad, NETHERLANDS (FLEVOLAND) | Mars Muusse, Albert de Jong |
| 24/04/2021 | Lelystad, NETHERLANDS (FLEVOLAND) | Mars Muusse, Albert de Jong |
| 16/06/2021 | Enkhuizen, lake IJsselmeer, NETHERLANDS (FLEVOLAND) | Debby Doodeman, Gerjon Gelling |
| 18/06/2021 | Andijk, Vooroever, NETHERLANDS (NOORD-HOLLAND) | Leon Kelder |
| 02/12/2022 | Almere-De Vaart, NETHERLANDS (FLEVOLAND) | P. G. |
| 13/07/2023 | IJsselmeer, Enkhuizen, De Kreupel eiland N, NETHERLANDS (FLEVOLAND) | Leon Kelder |
| 10/08/2023 | De Kreupel, NETHERLANDS (FLEVOLAND) | thijs horst, Mars Muusse, Nathalie Colpaert |
| 04/03/2024 | De Kreupel, NETHERLANDS (FLEVOLAND) | thijs horst, Mars Muusse |
In 2021 breeding bird at colony Lelystad, the Netherlands. Y-P:A02 is a male, partner is unringed adult female Caspian Gull cachinnans in nest 57. This nest is in a dense vegetation and has many Spoonbill nests around (hampering the search for pulli and hampering easy visits). In fact, this pair is using an old Spoonbill nest to breed. Visits and data for this nest:
| date: | |||||||
| 24-03-2021 | y[P:A02] resting at dam 1. Together with 4CY cachinnans w[327:U], 4CY cachinnans y[P:U60], and more cachinnans, easy on bread. Later resting at dam 2 near nest 11. |
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| 30-03-2021 | y[P:A02] resting breakwater dam 2 close to nest 11, now with potential partner. | ||||||
| 16-04-2021 | No visit. | ||||||
| 24-04-2021 | 3 eggs in nest. | ||||||
| egg no: | width (mm) | length (mm) | volume (cm3): | water test on April 24th: | |||
| A egg | 52,3 | 72,2 | 99,44 | 15 - tip on bottom | |||
| B egg | 49,5 | 71,8 | 88,58 | 20 - tip on bottom | |||
| C egg | 51,4 | 69,2 | 92,05 | 20 - tip on bottom | |||
| 26-04-2021 | No visit. Camilla is trapping a Spoonbill. | ||||||
| 13-05-2021 | No visit. | ||||||
| 15-05-2021 | 3 eggs in nest, 1 egg has scratches will hatch soon (= A egg). | ||||||
| 28-05-2021 | Food prey in nest is fish: Rounded Goby. | ||||||
| There are chicks around, but not found in dense vegetation. | |||||||
| 08-06-2021 | No parents present. No chicks either. | ||||||
| 26-06-2021 | No activity near nest. | ||||||
below: Caspian Gull cachinnans P:A02 8CY, March 04 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans P:A02 7CY, July 13 2023, De Kreupel - N, the Netherlands. Picture: Leon Kelder.
New pair found, with one chick (ringed withg metal NLA only). Pair has male y-P:A02 and female y-X610.
below: Caspian Gull cachinnans P:A02 5CY, March 23 2021, Lelystad, the Netherlands. Picture: Mars Muusse & Albert de Jong.
Easy on bread.
below: Caspian Gull cachinnans P:A02 5CY, March 30 2021, Lelystad, the Netherlands. Picture: Mars Muusse & Albert de Jong.
