Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans hybrid D:3 1CY, July 2025, colony De Kreupel, the Netherlands.
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Tibia Y-D:3 and metal 5.633.778, ringed as pullus F1-hybrid Larus argentatus x L. cachinnans on May 22 2025 at IJsselmeer (De Kreupel), Noord-Holland, by ringer Leon Kelder.
Recoveries:
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 M17 - 2025.
| Metal ring | Colour ring | Date | Species | Age | Clutch size | Location | Nest code | Ringer | Head+Bill | Mass | Wing | Parents |
| NLA 5633777 | y-D:2 | 22-5-2025 | Caspian Gull | pullus | 2 eggs | the Netherlands, De Kreupel - eiland M. | M17 | Leon Kelder | 55,5 | 90,0 | ||
| NLA 5633778 | y-D:3 | 22-5-2025 | Caspian Gull | pullus | 2 eggs | the Netherlands, De Kreupel - eiland M. | M17 | Leon Kelder | 53,5 | 83,0 |
below: Caspian Gull cachinnans hybrid D:3 1CY, July 13 2025, colony De Kreupel, the Netherlands. Picture: Thijs Horst & Mars Muusse.
