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.Y 1CY-4CY, May 2022 - April 2025, the Netherlands & England. Picture: Jack Bucknall, Jeroen van Assema, Mars Muusse, David Morrisson & Richard Bonser.
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Tibia R-0Y and metal Arnhem 5.620.239, ringed as pullus Larus cachinnans on May 13 2022 at IJsselmeer (De Kreupel), Holland (5247.00 N 513.00 E) by ringer Leon Kelder.
Recoveries:
01-07-2022 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E colourring read Jeroen van Assema
30-08-2022 Girdleness (Haven), Aberdeen, SCHOTLAND 5.708,00 N 203,00 W colourring read Mark Lewis
19-12-2022 Crayford (Vuilstort), Greater London, ENGELAND 5.127,00 N 12,00 E colourring read Richard Bonser
20-12-2022 Crayford (Vuilstort), Greater London, ENGELAND 5.127,00 N 12,00 E colourring read Richard Bonser
30-12-2022 Crayford (Vuilstort), Greater London, ENGELAND 5.127,00 N 12,00 E colourring read Richard Bonser
07-01-2023 Beckton (Sewage Works), Essex, ENGELAND 5.131,00 N 5,00 E colourring read David Morrisson
22-07-2024 St Mary's Island (Intertidal zone), Northumberland, ENGELAND 5.504,00 N 127,00 W colourring read Jack Bucknall
14-08-2024 St Mary's Island (Intertidal zone), Northumberland, ENGELAND 5.504,00 N 127,00 W colourring read Mike Hodgson
01-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
Data for this nest 2022
Bird from De Kreupel, nest C14 on island C. Parent is r-B=.
| Date: | Egg code | Height (mm) | Width (mm) | Comments | Metal NLA | Colour ring | Wing (mm) | Head+ bill (mm) | Bill | Mass (gr) | Tarsus | Gonys | Swab no |
| 14-4-2022 | A-egg | 70.0 | 51.8 | 2 eggs | |||||||||
| B-egg | 71.1 | 51.2 | |||||||||||
| 29-4-2022 | 3 eggs | ||||||||||||
| Adult trapped, Caspian Gull | 6214032 | Red B= | 463,5 | 136.2 | 63.9 | 1172 | 81.8 | 19.4 | 1063 | ||||
| 13-5-2022 | 3 pulli in nest | 5620237 | Red 0.W | 52.8 | 87 | ||||||||
| 5620238 | Red 0.X | 59.0 | 138 | ||||||||||
| 5620239 | Red 0.Y | 57.8 | 124 | ||||||||||
below: Caspian Gull cachinnans 0.Y 4CY, April 01 2025, colony Lelystad, the Netherlands. Picture: Mars Muusse.
below: Caspian Gull cachinnans 0.Y 3CY, July 22 2024 St Mary's Island - Northumberland, UK. Picture: Jack Bucknall.
below: Caspian Gull cachinnans 0.Y 2CY, January 07 2023, Beckton - Essex, England. Picture: David Morrisson.
below: Caspian Gull cachinnans 0.Y 1CY, December 19 2022, Crayford - Greater London, England. Picture: Richard Bonser.
below: Caspian Gull cachinnans 0.Y 1CY, July 01 2022, De Kreupel, the Netherlands. Picture: Jeroen van Assema.
