Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 8.N 1CY, May 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring R-8.N and metal NLA 5.556.490, ringed as pullus Larus cachinnans on May 18 2023 in nest 109 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team.
| egg sizes & volume 2023 | ||||||||||||
| SPECIES | NEST | A_length | A_width | A_volume | B_length | B_width | B_volume | C_length | C_width | C_volume | TOTAL NEST: | known parents? |
| ?cach x ? | 109-2023 | 68,7 | 50,5 | 88,21 | 67,3 | 49,3 | 82,36 | 67 | 48,4 | 79,03 | 249,60 | no, same as 2022? |
| ring pulli: | laying A egg: | hatch A egg | ||||||||||
| date? | ||||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | ||||||
| Pullus | 18-5-2023 | 5556490 | R-8N | 170 | 59 | |||||||
| Pullus | 18-5-2023 | 5556491 | R-8Z | 156 | 59 | |||||||
| 109-2023 | ||||
| dam: | dam 1 T-split | |||
| location: | Nest "wooden T". Same as 109-2022. only visible from W. Below Spoonbills. | |||
| breeders: | cach x ? | |||
| OBSERVATIONS: | ||||
| 26-04-2023 | adult: | not recorded. Fast visit because of Spoonbill nests with chicks. | ||
| eggs: | 3x egg, measured. No water test (quick visit, due to Spoonbills). Eggs are very brown. | |||
| 13-05-2023 | adult: | cach present. | ||
| 18-05-2023 | pulli: | 2 chicks ringed, 3rd not found | ||
below: Caspian Gull cachinnans 8.N 1CY, May 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
