Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 8.E 1CY, May - July 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring R-8.E and metal NLA 5.556.477, ringed as pullus Larus cachinnans on May 11 2023 in nest 21 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 | 21-2023 | 69,5 | 53,1 | 98,67 | 67,8 | 52,9 | 95,53 | 66,4 | 51,4 | 88,33 | 282,52 | same as 2022 |
| ring pulli: 14-mei | laying A egg: 9-apr | hatch A egg: 7-mei | ||||||||||
| catch: | date: | metal: | darvic: | |||||||||
| Pullus | 11-05-2023 | NLA 5556475 | r-8.D | |||||||||
| Pullus | 11-05-2023 | NLA 5556476 | r-8.Y | |||||||||
| Pullus | 11-05-2023 | NLA 5556477 | r-8.E | |||||||||
| Pullus | 18-06-2023 | NLA 5556477 | r-8.E | |||||||||
| Pullus | 18-06-2023 | NLA 5556475 | r-8.D | |||||||||
| 21-2023 | ||
| dam: | dam 1 T-split | |
| location: | Nest "white jerrycan in de oksel". Same as 21-2020/2022. | |
| breeders: | cach x cach | |
| OBSERVATIONS: | ||
| 09-04-2023 | adult: | adult cachinnans at nest. |
| nest: | 1 egg measured. No watertest. | |
| 26-04-2023 | adult: | 1x adult at nest. |
| eggs: | 3x egg, measured. No water test, as ringing date known from A-egg date April 9th. | |
| 11-05-2023 | pulli: | 3 chicks ringed. |
| 13-05-2023 | adult | both parents photographed: cach. Partner 1 with extra P8 mirror is same as 2022. |
| 18-06-2023 | pulli: | large chicks r-8D and r-8E at nest site. |
| 25-06-2023 | pulli: | r-8D and r-8E present. |
below: Caspian Gull cachinnans 8.E 1CY, July 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.E 1CY, July 15 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.E 1CY, July 08 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.E 1CY, June 25 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.E 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 8.E 1CY, May 11 2023, Lelystad colony, the Netherlands.
