Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans 7.Z 1CY, May - June 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
Tibia ring R-7Z and metal NLA 5.625.196, ringed as pullus Larus cachinnans on May 11 2023 in nest 248 at Lelystad, the Netherlands. Ringed by Roland-Jan Buijs ringing team.
Recoveries:
11-05-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
18-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
26-06-2023 Lelystad (Bataviahaven), Flevoland, NL 5.230,00 N 525,00 E colourring read Thijs Horst
30-01-2025 Sonzay (Vuilstort), Indre-et-Loire, FRANKRIJK 4.730,00 N 28,00 E colourring read Benjamin Griard
| 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 | 248-2023 | 71,2 | 52,5 | 98,81 | 71,2 | 51,7 | 95,82 | 72,5 | 51,3 | 96,07 | 290,70 | No. |
| ring pulli: May 10 | laying A egg: April 05 | hatch A egg: May 03 | ||||||||||
| catch: | date: | metal: | darvic: | mass: | wing: | head+bill: | bill: | gonys: | greytone: | |||
| Pullus | 11-5-2023 | NLA 5625196 | r 7.Z | largest chick | ||||||||
| Pullus | 11-5-2023 | NLA 5625197 | r 7.0 | smallest chick | ||||||||
| Pullus | 11-5-2023 | NLA 5625198 | r 7.1 | middle chick | ||||||||
| Pullus | 18-6-2023 | r-7Z | ||||||||||
| Pullus | 18-6-2023 | r-71 | ||||||||||
| Pullus | 18-6-2023 | r-70 | ||||||||||
| 248-2023 | ||||
| dam: | dam 2 west | |||
| location: | 22 mtr W of blue sign VHF20 and 22 mtr east of lighthouse. Between bushes, top of dam, visible from N side. Coded 248 | |||
| breeders: | cach x cach | |||
| OBSERVATIONS: | ||||
| 04-04-2023 | adult | 1 cach at nest location. | ||
| 09-04-2023 | 3 eggs. | 3 eggs measured. No watertest, chick ringing in 1st session. | ||
| 26-04-2023 | 3 eggs. | |||
| 11-05-2023 | 3 pulli | ringed | ||
| 27-05-2023 | nest | empty, no chicks found. | ||
| 18-06-2023 | pulli: | r-70, r-71 & r-7Z have fledged. | ||
| 25-06-2023 | pulli: | r-70, r-71 & r-7Z present, all 3 chicks fledged. | ||
below: Caspian Gull cachinnans 7.Z 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: with r-7.1 (background).
below: Caspian Gull cachinnans 7.Z 1CY, June 18 2023, Lelystad colony, the Netherlands. Picture: Thijs Horst & Mars Muusse.
below: Caspian Gull cachinnans 7.Z 1CY, May 11 2023, Lelystad colony, the Netherlands. Picture: Albert de Jong.
Ringed in nest 248, with r-7.0 & r-7.1.
