Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse
Home
Project Info
International trend
National trend
Site characteristics
Breeding biology
Fecundity
Food resources
Nonbreeding season
Breeding species
Hybrid scores
Ring codes
Future |
Caspian Gull cachinnans P:0K4 3CY-7CY, 2021 - 2025, colony De Kreupel, the Netherlands. Picture: Leon Kelder, Thijs Horst & Mars Muusse.
Caspian Gull (Larus cachinnans) with yellow tarsus P:0K4 and metal PLG DN39504. Ringed as pullus on May 25 2019 at mixed colony (Larus cachinnans kolonia) Kozielno, Poland.
Recoveries:
| 25/05/2019 |
ZB.KOZIELNO,PACZKÓW,
POLAND (DOLNOŚLĄSKIE) |
ODRA:
Jakub Szymczak,
Paweł Grochowski, Małgorzata Pietkiewicz |
| 25/05/2019 |
ZB.KOZIELNO,PACZKÓW,
POLAND (DOLNOŚLĄSKIE) |
ODRA:
Jacek Betleja |
| 23/08/2020 |
Ćwiercie,
POLAND (OPOLSKIE) |
Rafał Świerad |
| 18/11/2020 |
Staré Ždánice,
CZECH REPUBLIC (PARDUBICKY) |
PRAHA .CZP:
Miloš Peitne |
| 12/08/2021 |
Enkhuizen, De Kreupel,
NETHERLANDS (FLEVOLAND) |
Leon Kelder |
| 29/07/2022 |
Enkhuizen, De Kreupel,
NETHERLANDS (FLEVOLAND) |
Leon Kelder |
| 16/11/2022 |
Salzgitter-Heerte:Deponie,
GERMANY (NIEDERSACHSEN: BRAUNSCHWEIG) |
Gerhard Braemer |
| 18/11/2022 |
Salzgitter-Heerte:Deponie,
GERMANY (NIEDERSACHSEN: BRAUNSCHWEIG) |
Gerhard Braemer |
| 16/02/2023 |
Zalew Witoszówka,Świdnica,
POLAND (DOLNOŚLĄSKIE) |
Jarosław Słowikowski,
Kuling |
| 04/03/2024 |
De Kreupel NETHERLANDS (FLEVOLAND) |
thijs horst Mars Muusse |
| 26/04/2024 |
Enkhuizen, De Kreupel, eiland M. NETHERLANDS (FLEVOLAND) |
Leon Kelder |
| 29/12/2024 |
Srbice CZECH REPUBLIC (USTECKY) |
PRAHA .CZP E. Janecek |
| 22/01/2025 |
Srbice CZECH REPUBLIC (USTECKY) |
PRAHA .CZP E. Janecek |
| 11/08/2025 |
De Kreupel NETHERLANDS (FLEVOLAND) |
thijs horst Mars Muusse |
| 20/11/2025 |
Hille, Deponie Pohlsche Heide GERMANY (NORDRHEIN-WESTFALEN: DETMOLD) |
Armin Deutsch |
below: Caspian Gull cachinnans P:0K4 7CY, August 11 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.

below: Caspian Gull cachinnans P:0K4 6CY, March 04 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.



below: Caspian Gull cachinnans P:0K4 3CY, August 12 2021, colony De Kreupel, the Netherlands. Picture: Leon Kelder.

|