Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans N|G 1CY, 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia G-N|G and metal NLA 5.641.015, ringed as pullus Larus cachinnans on May 01 2025 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Mother: adult Caspian Gull g-A|C.
Father: adult Caspian Gull.
Nest: g-A|C (231).In 2025, g-N|G fledged, g-N|H & g-N|K not seen after ringing. Fledging rate for this nest 2025 = 1,0.
Recoveries:
05-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
31-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
13-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
25-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
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 N|G 1CY, June 25 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans N|G 1CY, May 31 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans N|G 1CY, May 01 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | gonys | barcode | comments |
| 1-5-2025 | G-N|G | .5641015 | g-A|C (231) | PONT | pullus | 98 | Ringed pullus |
