Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans C|P 1CY, May 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst, Merijn Loeve & Mars Muusse.
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Tibia ring G-C|P and metal NLA 5.631.111, ringed as pullus Larus cachinnans on May 14 2024 in nest rF7-2024 at Lelystad, the Netherlands. Ringed by Mars Muusse (Roland-Jan Buijs ringing team).
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: | ||
| r-F7 (060) | cach | cach | 71 | 50,7 | 91,89 | 69 | 50 | 86,85 | 68,7 | 50,3 | 87,52 |
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| # eggs | A-egg | hatch | # ringed chicks | # all chicks | # fledged chicks | comments | ||||||||
| 3 | 16-4-2024 | 14-5-2024 | ||||||||||||
| dam: | dam 1 south | |||||||||||||
| location: | cluster nest 60-62-63. R-F7 no longer on location 60-2023; now breeding 3 mtr westwards. In cluster Blackberries, 2 mtr N of 62, wooden bumper. | |||||||||||||
| parents? | Same as 2020-23: r-F7 and male Caspian Gull. | |||||||||||||
| ring pulli: | 18-May | |||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | mass | head+ bill | bill | tarsus | gonys | greyscale | 26-04-2024 | r-F7 | .6214901 | nest r-F7 (60) | PONT | F | >6CY | 439 | 933 | 125,0 | 58,0 | 68,0 | 21,4 | 6 |
| 14-05-2024 | g-C|P | .5631111 | nest r-F7 (60) | PONT | 1CY | 88 | ||||||||
| 31-05-2024 | g-C|P | .5631111 | nest r-F7 (60) | PONT | 1CY | |||||||||
| 04-06-2024 | g-C|P | .5631111 | nest r-F7 (60) | PONT | 1CY | 205 | 888 | 112,7 | ||||||
| OBSERVATIONS: | ||||||||||||||
| 26-03-2024 | adults: | Female r-F7 & unringed male cach at nest site 60/62/63-2023. | ||||||||||||
| 12-04-2024 | eggs: | no eggs. | ||||||||||||
| 21-04-2024 | eggs: | 3 eggs, measured. | ||||||||||||
| nest: | cluster again: 60, 69, PAM0, n-F|+, and 2 Herrings to follow soon. | |||||||||||||
| 26-04-2024 | adults: | CONTROL: trapped female r-F7 (aimed for the partner), rings not replaced, remains r-F7. This year: >6CY. | ||||||||||||
| 02-05-2024 | eggs: | 3 eggs. | ||||||||||||
| 05-05-2024 | nest: | 3 eggs, not measured. | ||||||||||||
| 14-05-2024 | eggs: | 1x. | ||||||||||||
| chicks: | 1x ringed. | |||||||||||||
| 31-05-2024 | chicks: | CONTROLL: g-C|P. | ||||||||||||
| 04-06-2024 | chick: | g-C|P present. measured. | ||||||||||||
| 18-06-2024 | chick: | CONTROLL: g-C|P. | ||||||||||||
below: Caspian Gull cachinnans C|P 1CY, June 18 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans C|P 1CY, May 31 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Merijn Loeve.
below: Caspian Gull cachinnans C|P 1CY, May 14 2024, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
