Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 7|Y 1CY, May - July 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring G-8|A and metal NLA 5.556.417, ringed as pullus Larus cachinnans on May 18 2023 in nest n-F|8 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 cach | nF|8 | 72,2 | 52,2 | 99,06 | 71,1 | 49,1 | 86,30 | 71 | 51,1 | 93,35 | 278,71 | new nest |
| ring pulli: -- | laying A egg: -- | hatch A egg: -- | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | ||||||
| Pullus | 18-05-2023 | 5.556.417 | g-7|Y | 163 | -- | 64,3 | ||||||
| Pullus | 27-05-2023 | 5.556.417 | g-7|Y | 470 | -- | -- | ||||||
| Pullus | 27-05-2023 | 5.625.191 | g-8|A | 487 | -- | -- | ||||||
| n-F|8 | ||||||||
| dam: | dam 2 central. | |||||||
| location: | Dam 2 central, 8 mtr NW of 17, only visible from N side. Behind red crate, close to bushes. Code sprayed. | |||||||
| breeders: | cach x cach | |||||||
| OBSERVATIONS: | ||||||||
| 27-04-2023 | adult: | |||||||
| 30-04-2023 | nest: | 3 eggs. Measured. Watertest: | A: 1 mm - floating | |||||
| adult: | nF8 breeding. Later: unringed partner. Both large birds. | B: 2 mm - floating | ||||||
| 11-05-2023 | nest: | 3 eggs hatching | C: 1/2 way - floating | |||||
| 18-05-2023 | pulli: | 1 chick ringed, other 2 not found | ||||||
| 27-05-2023 | pulli: | 1x control, 1x new chick ringed | ||||||
| 25-06-2023 | pulli: | g-7|Y, g-8|A and n-F|8 present | ||||||
below: Caspian Gull cachinnans 7|Y 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7|Y 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
below: Caspian Gull cachinnans 7|Y 1CY, May 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
