Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 8.J 1CY-2CY, May 2023 - March 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring R-8.J and metal NLA 5.556.489, ringed as pullus Larus cachinnans on May 18 2023 in nest n-F|N at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team.
Recoveries:
18-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
18-06-2023 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
08-07-2023 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
28-12-2023 Almere (Oostvaardersplassen), Flevoland, NL 5.226,00 N 517,00 E colourring read Luuk Punt
19-03-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
24-08-2024 Lelystad (Oostvaardersdijk), Flevoland, NL 5.228,00 N 519,00 E colourring read Eric Roeland
| 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 | nFN & r7N | 0 | 0 | 0,00 | 0 | 0 | 0,00 | 0 | 0 | 0,00 | 0,00 | same as 2022 |
| ring pulli: -- | laying A egg: -- | hatch A egg: -- | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | bill: | gonys: | greytone: | |||
| adult | 03-05-2023 | 6.214.906 | R-7.N | -- | 433 | 123,7 | 52,6 | 18,4 | 6 | female cach | ||
| pullus: | 18-05-2023 | 5.556.488 | R-8.F | 256 | -- | 65,4 | -- | -- | -- | |||
| pullus: | 18-05-2023 | 5.556.489 | R-8.J | 224 | -- | 70 | -- | -- | -- | |||
| pullus: | 27-05-2023 | 5.556.488 | R-8.F | 643 | -- | -- | -- | -- | -- | |||
| pullus: | 18-06-2023 | 5.556.489 | r-8.J | 1020 | 341 | 126,8 | -- | -- | -- | with sibling | ||
| n-F|N & r-7.N | |||
| dam: | dam 1 west | ||
| location: | Is nest n-F|N-2022. Nest 2023 is 3 mtr further N now, closer to Herring Gull w-8Z. | ||
| breeders: | cach x cach | ||
| OBSERVATIONS: | |||
| 04-04-2023 | adult: | n-F|N at nest location. | |
| 09-04-2023 | nest: | no eggs, but nest ready. | |
| adult: | Male is n-F|N, female is cach unringed. | ||
| 27-04-2023 | adult: | Male is n-F|N, female is cach unringed. | |
| 03-05-2023 | adult: | Trapped unringed female at nest: r-7N. | |
| 13-05-2023 | adult: | Both parents present. | |
| 18-05-2023 | pulli: | 2 chicks ringed, 3rd one not found. | |
| 27-05-2023 | pulli: | 1x control chick. | |
| 18-06-2023 | pulli: | r-8J & r-8F present. Probably no 3rd chick. Fledged: 2 juveniles. | |
| 25-06-2023 | pulli: | r-8J & r-8F present. Both parents as well. | |
below: Caspian Gull cachinnans 8.J 2CY, March 19 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.J 1CY, July 15 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.J 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.J 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.J 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.J 1CY, May 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
