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 1.8 3CY, July 30 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.
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Tibia r-18 and metal Arnhem 5.623.531, ringed as pullus Larus cachinnans on May 13 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N, 513.00 E). Ringer: Leon Kelder.
Recoveries:
18-04-2024 Wervershoof (Vooroever), Noord-Holland, NL 5.245,00 N 507,00 E colourring read Leon Kelder
11-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
22-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
30-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read J. van Assema & T. Horst
Bird from De Kreupel, nest M1 (mother is r-KB) on island M. Data for this nest:
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Mass (gr) |
| 14-4-2022 | A-egg | 72.5 | 52.8 | 3 eggs | |||||
| B-egg | 68.7 | 54.8 | |||||||
| C-egg | 71.1 | 53.0 | |||||||
| 29-4-2022 | 3 eggs | ||||||||
| 13-5-2022 | 3 pulli in nest | 5623529 | Red 1.6 | 63.3 | 171 | ||||
| 5623530 | Red 1.7 | 53.5 | 71.5 | 276 | |||||
| 5623531 | Red 1.8 | 68.2 | 210 | ||||||
| 17-5 - 19-5-2022 camera trap: | female Caspian Gull adult r-KB | ||||||||
| male Caspian Gull | |||||||||
below: Caspian Gull cachinnans 1.8 3CY, July 30 2024, colony De Kreupel, the Netherlands. Picture: Thijs Horst.
