Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans A|H adult, April 2024 - April 2025, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia ring G-A|H and metal NLA 5.631.202, ringed as breeding adult Larus cachinnans on April 30 2024 in nest 139-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).
Recoveries:
09-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
15-07-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
16-03-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
20-03-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
25-03-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
04-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
Visits and data 2024
| NEST code | parent 1 | parent 2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST: | |
| g-A|H (139) | cach | cach | 73 | 50,7 | 94,48 | 72,2 | 50,6 | 93,08 | 73 | 51 | 95,60 | 283,16 | |
| 2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||
| 3 | 10-4-2024 | 8-5-2024 | |||||||||||
| dam: | dam 1 east | ||||||||||||
| location: | most eastern nest on dam 1. same as 2023, with white/red isolation foam | ||||||||||||
| parents? | same as 2023 | ||||||||||||
| ring pulli: | 12-May | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
| 30-4-2024 | g-A|H | .5631202 | nest 139 | PONT | M | >4CY | 464 | 1127 | 134,4 | 54,6 | 71,0 | 21,0 | 8 |
| OBSERVATIONS: | |||||||||||||
| 21-4-2024 | eggs: | 3 eggs, measured. | |||||||||||
| 30-4-2024 | adults: | trapped male Caspian Gull, now g-A|H. | |||||||||||
below: Caspian Gull cachinnans A|H adult, April 04 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans A|H adult, March 16 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
At same location as 2022-2024: Dam 1 easternmost nest. Easy on bread today.
Interesting fact: next westernmost nest on dam 1 was in 2024 for g-A|A & n-F|T. But this year a 4CY newcomer has taken over and is bonding to g-A|A: it is r-6L. And r-6L is a 2022 offspring from nest 139!
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below: Caspian Gull cachinnans A|H adult, July 15 2024, colony Lelystad, the Netherlands. Picture: Thijs Horst.
Parent g-A|H and one of the 3 fledged chicks: g-M|C.
below: Caspian Gull cachinnans A|H adult, July 09 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans A|H adult, April 30 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
| 30-4-2024 | g-A|H | .5631202 | nest 139 | PONT | M | >4CY | 464 | 1127 | 134,4 | 54,6 | 71 | 21 | 8 |
