Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 8.M 1CY, May - July 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring R-8|M and metal NLA 5.556.480, ringed as pullus Larus cachinnans on May 11 2023 in nest 131 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 ? | 131-2023 | 69 | 47,1 | 77,07 | 68,5 | 49,4 | 84,17 | 67,4 | 46,7 | 74,01 | 235,25 | same as 2022? |
| ring pulli: | laying A egg: | hatch A egg | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | ||||||
| pullus | 11-5-2023 | 5556480 | r-8M | nest with 3 chicks, between micha-nest and nest 'branch with 2 stripes'. Halfway blocks, on top of dam. | ||||||||
| pullus | 11-5-2023 | 5556482 | r-8A | |||||||||
| pullus | 11-5-2023 | 5556481 | r-8B | |||||||||
| pullus | 18-6-2023 | r-8M | ||||||||||
| pullus | 18-6-2023 | r-8B | together with r-8A, dam 1 blocks east (branch with 2 stripes after all?) | |||||||||
| pullus | 18-6-2023 | r-8A | together with r-8B, dam 1 blocks east (branch with 2 stripes after all?) | |||||||||
| 131-2023 | ||||
| dam: | dam 1 blokken | |||
| location: | is nest 131-2022? 8 m east of PU60. | |||
| breeders: | cach x ? | |||
| OBSERVATIONS: | ||||
| 26-4-2023 | eggs: | 3x egg, measured. No water test. | ||
| 11-5-2023 | pullus: | 3 chicks ringed here: r-8A, r-8B & r-8M. Uncertainty about adults, about nest, and uncertainty about ID. | ||
| 27-5-2023 | nest: | The branch with 2 stripes taken away, and placed vertically at (new nest) 26. | ||
| 18-6-2023 | pullus: | r-8M, r-8A & r-8B present together. With adult cachinnans parent. | ||
| 25-6-2023 | pullus: | r-8M, r-8A & r-8B present together. | ||
below: Caspian Gull cachinnans 8.M 1CY, July 15 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.M 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.M 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.M 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.M 1CY, May 11 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
