Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 7|G 1CY, May 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring G-7|H and metal NLA 5.556.500, ringed as pullus Larus cachinnans on May 18 2023 in nest 003 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 | 3-2023 | 77 | 50,5 | 98,87 | 75,6 | 50,5 | 97,07 | 74,5 | 49,5 | 91,91 | 287,86 | same as 2022 |
| ring pulli: | laying A egg: | hatch A egg | ||||||||||
| 10-mei | 7-apr | 5-mei | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | ||||||
| Pullus | 18-05-2023 | 5556499 | G-7|G | 95 | -- | 55 | ||||||
| 5556500 | G-7|H | 133 | -- | 63 | ||||||||
| 18-06-2023 | G-7|H | |||||||||||
| 25-06-2023 | G-7|H | |||||||||||
| nest 003-2023 | ||||||
| dam: | dam 1 east | |||||
| location: | In bend, visible from S side. Is nest 3-2020/22. | |||||
| breeders: | cach x cach | |||||
| OBSERVATIONS: | ||||||
| 04-04-2023 | adult: | still no birds present. | ||||
| 09-04-2023 | adult: | still no birds present. | ||||
| 26-04-2023 | adult: | adult breeding | ||||
| nest: | exact location of 2022. | |||||
| eggs: | 3x egg, measured. | A: 1 mm - float | ||||
| B: 90 - tip bottom | ||||||
| C: 90 - tip bottom | ||||||
| 11-05-2023 | eggs: | still 3 eggs | ||||
| 18-05-2023 | pulli: | 2 chicks ringed, 3rd not found | ||||
| 16-06-2023 | pulli: | 3x fledged chicks | ||||
| 25-06-2023 | pulli: | 3x fledged chicks, is G-7|G still allive? | ||||
below: Caspian Gull cachinnans 7|G 1CY, May 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst.
