Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans U|7 adult, 2026, the Netherlands. Picture: Thijs Horst & Mars Muusse.
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Tibia ring G-U|7 and metal NLA 5.641.186, ringed as breeding adult female Larus cachinnans on April 27 2026 in nest g-U|4 (204) at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team.
Visits and data g-U|4 & g-U|7 (204-2026).
| 2026 | parent 1 | parent 2 | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST:
|
# eggs | |
| g-U|4 (204) | cach | cach | 75,8 | 51,5 | 75,8 | 50,9 | 72,1 | 49,7 | ||||||
| ringed: | ||||||||||||||
| date | darvic | metal | location / nest# | species | sexe | age | wing | tarsus | head+ bill | bill | gonys | mass | barcode | |
| 13-04-2026 | g-U|4 | .6260164 | Nest 204 dam 2 west | PONT | M | >4CY | 474 | 72,7 | 136,6 | 63,7 | 20,6 | 1057 | 26B02640 | |
| 27-04-2026 | g-U|7 | .5641186 | Nest g-U|4 | PONT | F | >4CY | 432 | 70,0 | 133,1 | 59,2 | 17,6 | 810 | 26B02653 | |
OBSERVATIONS:
|
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| 04-04-2026 | nest | 3 eggs. | ||||||||||||
| 22-04-2026 | nest | 3 eggs, measured. | ||||||||||||
| 13-04-2026 | nest | 3 eggs. | ||||||||||||
| parents | 1x unringed Caspian Gull trapped, now male g-U|4. | |||||||||||||
| 27-04-2026 | nest | 3 eggs. | ||||||||||||
| parents | 1x unringed Caspian Gull trapped, now female g-U|7. | |||||||||||||
below: Caspian Gull cachinnans U|7 adult, April 27 2026, colony Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.
| Metal | Darvic | Species | Date | Sex | Age | wing | tarsus | head+ bill | bill | gonys | mass | barcode | Comments | Nest |
| 5.641.186 | G-U|7 | PONT | 27-4-2026 | F | >4CY | 432 | 70 | 133,1 | 59,2 | 17,6 | 810 | 26B02653 | Trapped by ringer. Breeder on 3 eggs. | Nest g-U|4 (204) at dam 2 west |
