Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans A|3 adult, May 2024 - April 2025, Lelystad & Almere, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia ring G-A|3 and metal NLA 5.631.237, ringed as breeding adult Larus cachinnans on May 07 2024 in nest 056-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).
Recoveries:
19-06-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
24-06-2024 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
20-11-2024 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Thijs Horst
03-01-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read T. Horst & M. Muusse
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: | |
| cach | cach | 74,5 | 48 | 86,42 | 71,7 | 49,5 | 88,46 | 71,9 | 49,2 | 87,63 | 262,51 | ||
| 056-2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||
| 3 | 10-4-2024 | 8-5-2024 | |||||||||||
| dam: | dam 2 east | ||||||||||||
| location: | was Black table 2020/2021, 15 mtr E of 17B, now with white jerrycan | ||||||||||||
| parents? | New? | ||||||||||||
| ring pulli: | 12-May | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | 07-05-2024 | g-A|3 | .5631237 | 56 black table | PONT | F | >4CY | 449 | 1030 | 131,5 | 60,1 | 71,2 | 20,3 | 7 |
| OBSERVATIONS: | |||||||||||||
| 21-04-2024 | eggs: | 3 eggs, measured. | |||||||||||
| adult: | 2x Caspian Gull: incubating and guarding. | ||||||||||||
| 02-05-2024 | eggs: | 3 eggs. | |||||||||||
| 07-05-2024 | adult: | 1x trapped at nest. Food: pork chop & chicken drumstick (likely landfill feeder) | |||||||||||
below: Caspian Gull cachinnans A|3 adult, April 12 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans A|3 adult, April 04 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Guarding, underneath nest 17B (which is 25 mtr to the west from location 2024 'Black table').
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below: Caspian Gull cachinnans A|3 adult, March 25 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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below: Caspian Gull cachinnans A|3 adult, January 03 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans A|3 adult, November 20 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans A|3 adult, July 15 2024, colony Lelystad, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans A|3 adult, June 19 2024, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans A|3 adult, May 07 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 |
| 07-05-2024 | g-A|3 | .5631237 | 56 black table | PONT | F | >4CY | 449 | 1030 | 131,5 | 60,1 | 71,2 | 20,3 | 7 |
