Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans A|C adult, 2024 - 2025, the Netherlands. Picture: Thijs Horst, Mars Muusse & Albert de Jong.
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Tibia ring G-A|C and metal NLA 5.625.297, ringed as breeding adult Larus cachinnans on April 26 2024 in nest 231-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).
Recoveries:
17-05-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 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
15-01-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 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
01-04-2025 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
23-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Horst, Muusse(s) & Cottaar
25-04-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
01-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
05-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
08-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
29-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
11-07-2025 Markermeer (Marker Wadden), Flevoland, NL 5.235,00 N 522,00 E colourring read Thijs Horst
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 | 70 | 52 | 95,30 | 67,9 | 50,9 | 88,57 | 68 | 51,5 | 90,81 | 274,68 | ||
| 231-2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||
| 3 | 15-4-2024 | 13-5-2024 | |||||||||||
| dam: | dam 2 west | ||||||||||||
| location: | was nest 'orange football' 2023, | ||||||||||||
| parents? | Same as 2023. | ||||||||||||
| ring pulli: | 22-May | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | 26-4-2024 | g-A|C | .5625297 | voetbal (231) | PONT | F | >4CY | 439 | 121,0 | 53,8 | 69,1 | 17,9 | 6 |
| OBSERVATIONS: | |||||||||||||
| 21-4-2024 | eggs: | 3 eggs, measured. | |||||||||||
| 26-4-2024 | adult: | adult female trapped at nest, now g-A|C. | |||||||||||
Visits and data 2025.
| 2025 | parent 1 | parent 2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST:
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# eggs |
| g-A|C (231) | cach | cach | 80,3 | 50,9 | 75,8 | 50,4 | 72,7 | 48,4 | 3 | ||||
| dam: | dam 2 west
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| location: | 10 mtr SE of lighthouse near waterfront, is nest 2023 orange football, 2024 golden football.
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| parents: | same as 2024
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| ring pulli: | 3-mei | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | |
| 5/1/2025 | g-N|G | 5641015 | g-A|C (231) | PONT | pullus | 98 | |||||||
| 5/1/2025 | g-N|H | 5641016 | g-A|C (231) | PONT | pullus | 67 | |||||||
| 5/1/2025 | g-N|K | 5641017 | g-A|C (231) | PONT | pullus | 99 | |||||||
| 5/31/2025 | g-N|G | 808 | 113,4 | ||||||||||
OBSERVATIONS:
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| 3/25/2025 | nest | g-A|C at nest site
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| 4/1/2025 | nest | g-A|C at nest site. Breeding
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| 4/21/2025 | eggs | 3x eggs measured, 1 egg (b-egg) with little burst
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| 4/25/2025 | eggs | 3x eggs | |||||||||||
| 5/1/2025 | chicks | 3x ringed | |||||||||||
| food | 2x roach, 1x earthworms
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| adult | g-A|C at nest
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| 5/8/2025 | adult | both partners present
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| 5/31/2025 | chicks | g-N|G found and measured. g-N|G fledged, g-N|H & g-N|K not seen after ringing.
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| food | 1x roach | ||||||||||||
below: Caspian Gull cachinnans A|C adult, July 11 2025, Marker Wadden, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans A|C adult, May 08 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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below: Caspian Gull cachinnans A|C adult, May 05 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans A|C adult, April 25 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans A|C adult, April 01 2025, colony Lelystad, the Netherlands. Picture: Mars Muusse.
below: Caspian Gull cachinnans A|C adult, March 25 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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below: Caspian Gull cachinnans A|C adult, March 21 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans A|C adult, January 03 2025, Almere - De Vaart, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans A|C adult, April 26 2024, Lelystad colony, the Netherlands. Picture: Albert de Jong.
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
| 26-4-2024 | g-A|C | .5625297 | nest voetbal (231) | PONT | F | >4CY | 439 | 121,0 | 53,8 | 69,1 | 17,9 | 6 |
