Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 7.8 1CY-3CY, May 2023 - April 2025, Scotland & the Netherlands. Picture: Scott Black, Annelies Marijnis, Thijs Horst & Mars Muusse.
Tibia ring R-7.8 and metal NLA 5.556.456, ringed as pullus Larus cachinnans on May 11 2023 in nest 229-X56A at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team.
Recoveries:
11-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
26-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
15-07-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
18-07-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
26-10-2023 Port Seton (Intertidal Zone), East Lothian, SCHOTLAND 5.558,00 N 257,00 W colourring read Josie Hewitt & Scott Black
31-10-2023 Cockenzie (Haven), East Lothian, SCHOTLAND 5.558,00 N 257,00 W colourring read Josie Hewitt
17-02-2024 Het Zwin (Graaf Leon Lippensdreef), West-Vlaanderen, BELGIE 5.121,00 N 320,00 E colourring read Jan Talloen
03-04-2024 Katwijk aan Zee (Buitenwatering), Zuid-Holland, NL 5.212,00 N 423,00 E colourring read Annelies Marijnis
01-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
Data for 2023 nest 229:
| egg sizes & volume 2023 | ||||||||||||
| SPECIES | NEST | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST: | known parents? |
| cach x cach | 229-2023 | 74 | 50 | 93,15 | 72,7 | 50,5 | 93,35 | 70,2 | 51,5 | 93,75 | 280,24 | X56A &cach |
| ring pulli: 15-mei | laying A egg: 10-apr | hatch A egg: 8-mei | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | ||||||
| pullus | 11-5-2023 | 5.556.455 | r-7Y | -- | -- | -- | ||||||
| pullus | 11-5-2023 | 5.556.456 | r-78 | -- | -- | -- | ||||||
| pullus | 18-5-2023 | 5.556.410 | g-7|U | 166 | -- | 63 | ||||||
| pullus | 18-5-2023 | 5.556.455 | r-7Y | 221 | -- | 65 | ||||||
| pullus | 27-5-2023 | 5.556.410 | g-7|U | 362 | -- | -- | ||||||
| pullus | 27-5-2023 | 5.556.455 | r-7Y | 499 | -- | -- | ||||||
| pullus | 25-6-2023 | 5.556.456 | r-78 | 1028 | 355 | 128,1 | ||||||
| 229-2023 | y[X56A] is breeding in 229 (X56A was at nest 206 in 2022) | ||
| dam: | dam 2 west | ||
| location: | 25 mtr east of lighthouse, old Spoonbill nest, between bushes = nest 229-2022 of sub-adults. | ||
| breeders: | cach x cach | ||
| OBSERVATIONS: | |||
| 09-04-2023 | y-X56A present north of dam. (27/4: yX56A not breeding at this nest in 2023). | ||
| 26-04-2023 | eggs: | 3 eggs. Measured and water test: A/B/C:all are 90 - tip bottom. | |
| nest: | code 229 sprayed on entrance block. | ||
| 27-04-2023 | adult: | parent 1 = yX56A | |
| 11-05-2023 | pulli: | 2 chicks ringed, 3rd egg hatching. | |
| 13-05-2023 | adult: | partner 2 is cach. | |
| 18-05-2023 | pulli: | 2 chicks present (R-7Y and unringed one, which is now ringed). | |
| 27-05-2023 | pulli: | 2x ringed birds measured: g-7|U & r-7Y. | |
| 18-06-2023 | adult: | ad yX56A easy at bread. | |
| 25-06-2023 | pulli: | r-78 and g-7|U present. | |
below: Caspian Gull cachinnans 7.8 3CY, April 01 2025, colony Lelystad, the Netherlands. Picture: Mars Muusse.
below: Caspian Gull cachinnans 7.8 2CY, April 03 2024, Katwijk, the Netherlands. Picture: Annelies Marijnis.
below: Caspian Gull cachinnans 7.8 1CY, October 26 2023, Port Seton, East Lothian, Scotland. Picture: Scott Black.
below: Caspian Gull cachinnans 7.8 1CY, July 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7.8 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7.8 1CY, May 11 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
