Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans N|P 5CY, 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia G-N|P and metal NLA 5.641.021, ringed as breeding 5CY Larus cachinnans on May 01 2025 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team (Mars Muusse / Thijs Horst / Fred Cottaar).
Recoveries:
05-05-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
30-06-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
09-07-2025 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read T. Horst & M. Muusse
Data for nest r-CU & g-N|P (272).
| 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 | |
| r-CU & g-N|P (272 Yellow Rope) |
cach | cach | 69 | 48,5 | 66,1 | 46,1 | 2 | |||||||
| dam: | dam 2 west
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| location: | Between Blue Rope and nest 14
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| parents: | new, r-CU is pullus 2022 of nest 14
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| ringed: | ||||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | |
| 01-05-2025 | g-N|P | 5641021 | r-CU & g-N|P | PONT | F | 5CY | 431 | 938 | 126 | 57,3 | 69,1 | 17,8 | 7,5 | |
| 31-05-2025 | g-C|0 | 5641923 | r-CU & g-N|P | PONT | pullus | 348 | ||||||||
OBSERVATIONS:
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| 16-03-2025 | adult | r-CU present, is 2022 chick from nest 14 (which is only 10 meters away!
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| 01-04 | adult | r-CU present
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| 12-04 | adult | r-CU present
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| 23-04 | eggs | 2 eggs, measured
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| adult | unringed female cachinnans
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| 01-05 | adult | trapped female cachinnans 5CY, now g-N|P.
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| eggs | 2x eggs | |||||||||||||
| 08-05 | adult | r-CU present
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| 13-05 | nest | 2x eggs | ||||||||||||
| 31-05 | nest | 1 chick ringed, other one not found
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below: Caspian Gull cachinnans N|P 5CY, July 09 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
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below: Caspian Gull cachinnans N|P 5CY, June 30 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst.
.JPG)
below: Caspian Gull cachinnans N|P 5CY, May 01 2025, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| date | darvic | metal | nest | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | barcode | greyscale | comments | 1-5-2025 | G-N|P | .5641021 | r-CU & g-N|P (272 Yellow Rope) | PONT | F | 5CY | 431 | 938 | 126 | 57,3 | 69,1 | 17,8 | 7,5 | 25B00656 | Trapped by ringer. |
