Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
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 R|6 1CY, 2025, the Netherlands. Picture: Thijs Horst & Folko van den Brink.
| You can participate in this project too!
Please send in your observations of colour ringed birds to: ring@buijsecoconsult.nl |
Tibia G-R|6 and metal NLA 5.641.069, ringed as pullus Larus cachinnans on June 13 2025 at Markermeer (Marker Wadden), the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Recoveries:
11-07-2025 Markermeer (Marker Wadden), Flevoland, NL 5.235,00 N 522,00 E colourring read Thijs Horst
06-09-2025 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Eric Roeland
26-11-2025 Lelystad (Oostvaardersdijk), Flevoland, NL 5.228,00 N 519,00 E colourring read Folko van den Brink
Data for this nest in 2025:
| date |
darvic |
metal |
nest |
species |
sexe |
age |
wing |
mass |
head+ bill |
bill |
gonys |
barcode |
comments |
| 13-6-2025 |
G-R|6 |
.5641069 |
marker wadden |
PONT |
|
pullus |
|
750 |
|
|
|
|
Parent r-2F |
below: Caspian Gull cachinnans R|6 1CY, November 26 2025, Lelystad, the Netherlands. Picture: Folko van den Brink.

below: Caspian Gull cachinnans R|6 1CY, July 11 2025, Marker Wadden, the Netherlands. Picture: Thijs Horst.
.JPG)

|