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 0.= 4CY, October 12 2025, Sankt-Peter-Ording, Germany. Picture: Björn Stranz.
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Tibia R-0= and metal NLA 5.620.250, ringed as pullus Larus cachinnans (and hybrids of that kind) on May 13 2022 at De Kreupel, Holland (5247.00 N 513.00 E). Ringer Leon Kelder.
Recoveries:
23-06-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
24-06-2023 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
12-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
18-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
01-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
12-10-2025 Sankt-Peter-Ording, Schleswig-Holstein, DUITSLAND 5.419,00 N 835,00 E colourring read Björn Stranz
Bird from De Kreupel, nest E1 on island E.
Data for this nest:
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Bill | Mass (gr) |
| 14-4-2022 | A-egg | 74.0 | 51.5 | 2 eggs | ||||||
| B-egg | 72.2 | 49.8 | ||||||||
| 29-4-2022 | 3 eggs | |||||||||
| 13-5-2022 | 3 pulli in nest | 5620248 | Red 0.8 | 51.1 | 61 | |||||
| 5620249 | Red 0.9 | 52.2 | 81 | |||||||
| 5620250 | Red 0.= | 53.7 | 88 | |||||||
below: Caspian Gull cachinnans 0.= 4CY, October 12 2025, Sankt-Peter-Ording, Germany. Picture: Björn Stranz.
