Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans A|A adult, April 2024 - April 2025, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia ring G-A|A and metal NLA 5.625.288, ringed as breeding adult Larus cachinnans on April 23 2024 in nest n-F|T & g-A|A 2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).
Recoveries:
26-04-2024 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
10-03-2025 Almere (De Vaart), Flevoland, NL 5.224,00 N 514,00 E colourring read Mars Muusse
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
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
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: | |
| n-F|T & g-A|A | cach | cach | 69,3 | 51 | 90,76 | 69,3 | 48,9 | 83,44 | 68,5 | 50 | 86,22 | 260,42 | |
| 2024 | # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||
| 3 | 15-4-2024 | 13-5-2024 | |||||||||||
| dam: | dam 1 east | ||||||||||||
| location: | Location was 25-2022/2023, near PNED, on N side dam, with furious birds. Sprayed '#'. | ||||||||||||
| parents? | 2023 prospecting n-F|T. | ||||||||||||
| ring pulli: | 18-May | ||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale |
| 23-04-2024 | g-A|A | .5625288 | nest n-F|T dam 1 | PONT | F | >4CY | 441 | 124,5 | 54,7 | 70,0 | 18,9 | 6 | |
| 14-05-2024 | .5631182 | nest n-F|T / g-A|A | PONT | 1CY | 74 | ||||||||
| 14-05-2024 | .5631183 | nest n-F|T / g-A|A | PONT | 1CY | 62 | ||||||||
| 31-05-2024 | g-C|6 | .5631183 | nest n-F|T / g-A|A | PONT | 1CY | Colour ring added. | |||||||
| OBSERVATIONS: | |||||||||||||
| 08-03-2024 | adult: | n-F|T on bread. | |||||||||||
| 21-04-2024 | eggs: | 3 eggs, measured. | |||||||||||
| adults: | 5CY & adult | ||||||||||||
| 23-04-2024 | adult | partner trapped at nest, nog g-A|A. | |||||||||||
| 14-05-2024 | chicks: | 2x ringed, only metal. Chicks 1 day old. Prognose was exact. | |||||||||||
below: Caspian Gull cachinnans A|A adult, April 04 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans A|A adult, March 25 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Couple male 4CY hybrid Caspian Gull r-6L and female adult Caspian Gull g-A|A.
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below: Caspian Gull cachinnans A|A adult, March 21 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
Still bonding with r-6L, but now on dam 1 west.
below: Caspian Gull cachinnans A|A adult, March 16 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Breeding with 5CY male n-F|T in Lelystad in 2024, and bonding to 4CY male r-6L in 2025.
.JPG)
below: Caspian Gull cachinnans A|A adult, April 23 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 |
| 23-4-2024 | g-A|A | .5625288 | nest n-F|T dam 1 | PONT | F | >4CY | 441 | 124,5 | 54,7 | 70,0 | 18,9 | 6 |
