Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans (hybrid?) L|5 1CY, April-July 2025, colony De Kreupel, the Netherlands.
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Tibia G-L|5 and metal 5.632.575, ringed as pullus Larus cachinnans on 25-4-2025 at IJsselmeer (De Kreupel), Noord-Holland, by ringer Leon Kelder.
Recoveries:
02-05-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
10-07-2025 Medemblik (Gemaal Lely), Noord-Holland, NL 5.246,00 N 506,00 E colourring read Bert Winters
12-07-2025 Medemblik (Gemaal Lely), Noord-Holland, NL 5.246,00 N 506,00 E colourring read Bert Winters
13-07-2025 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read T. Horst, M. Muusse & N. Colpaert
Data for nest Q2 - 2025.
| Metal ring | Colour ring | Date | Species | Age | Clutch size | Location | Nest code | Ringer | Head+Bill | Mass | Wing | Parents |
| NLA 5632574 | 25-4-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland Q. | Q2 | Leon Kelder | 53,8 | 83,0 | |||
| NLA 5632574 | g-L|4 | 02-5-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland Q. | Q2 | Leon Kelder | 73,3 | 276,0 | ||
| NLA 5632574 | g-L|4 | 06-6-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland Q. | Q2 | Leon Kelder | 112,1 | 499,0 | 294,5 | |
| NLA 5632574 | g-L|4 | 13-6-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland Q. | Q2 | Leon Kelder | ||||
| NLA 5632575 | 25-4-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland Q. | Q2 | Leon Kelder | 56,7 | 104,0 | |||
| NLA 5632575 | g-L|5 | 02-5-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland Q. | Q2 | Leon Kelder | 77,5 | 383,0 | 60,0 | |
| NLA 5632576 | 25-4-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland Q. | Q2 | Leon Kelder | 55,8 | 97,0 | |||
| NLA 5632576 | g-L|6 | 02-5-2025 | Caspian Gull | pullus | 3 eggs | the Netherlands, De Kreupel - eiland Q. | Q2 | Leon Kelder | 77,2 | 355,0 | 64,5 | |
below: Caspian Gull cachinnans (hybrid?) L|5 1CY, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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