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 6.J 1CY-4CY, 2022-2025, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Red tibia ring r[6.J] and metal NLA 5.625.161, ringed as pullus Larus cachinnans at nest 204 on May 22 2022 in colony Lelystad, the Netherlands. Ringer: Jeroen Nagtegaal.
ID uncertain in 2022: one parent is adult cachinnans, other parent not photographed.
Recoveries:
30-05-2022 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E captured by ringer Albert de Jong
21-07-2024 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Leon Kelder
| April 15 2022 | 3 eggs | A egg | 70,2 | 51,8 | tip bottom - 50 gr | nest 204 is 3 mtr O of nest 203. | ||
| B egg | 70,8 | 51,5 | tip bottom - 50 gr | code 204 sprayed on block. | ||||
| C egg | 68,7 | 51,8 | tip bottom - 40 gr | |||||
| April 29 2022 | 3 eggs | A egg | drijft - 3 mm | |||||
| B egg | drijft - 3 mm | |||||||
| C egg | drijft - 2 mm | |||||||
| May 01 2022 | adult cach at nest. 2x cach of nest 203 close by. | |||||||
| May 04 2022 | adult cach partner 1 at nest. | |||||||
| May 17 2022 | no chicks found near nest | |||||||
| metal | darvic | mass | wing | H+B | ||||
| May 22 2022 | pullus | .5625160 | r-6H | 537 | 125 | 90,6 | ||
| pullus | .5625161 | r-6J | 582 | 108 | 91,7 | |||
| May 30 2022 | pullus | r-6H swimming with sibbling at N-side dam 2 | ||||||
| pullus | r-6J also swimming | |||||||
| June 21 2022 | pullus | r-6J & r6H again swimming N-side dam 2 | ||||||
| June 28 2022 | pullus | r-6J & r6H again swimming N-side dam 2 | ||||||
below: Caspian Gull cachinnans 6.J 4CY, May 30 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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below: Caspian Gull cachinnans 6.J 1CY, June 28 2022, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
r[6.J] cachinnans from nest 204. Picture: June 28th, 2022.
Fledged. Sibling r[6.H] also fledged. No confirmation on 3rd egg.
below: Caspian Gull cachinnans 6.J 1CY, June 21 2022, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 6.J 1CY, May 30 2022, Lelystad, the Netherlands. Picture: Mars Muusse.
below: Caspian Gull cachinnans 6.J 1CY, May 22 2022, Lelystad, the Netherlands. Picture: Mars Muusse.
