Larus cachinnans in the Netherlands
(last update: August 16, 2020)
Caspian Gull cachinnans F|9 1CY-2CY, May 2020 & December 2021, Lelystad & Westkapelle, the Netherlands. Picture: Merijn Loeve & Ezra Mandemaker.
Black tibia ring n[F|9] and metal NLA 5.552.920, ringed as pullus Larus cachinnans on May 21 2020 at nest 011 in colony Lelystad (Bataviahaven), the Netherlands (5230.00 N 525.00 E) - ringer Roland-Jan Buijs.
ID certain, both parents are Caspian Gull cachinnans.
Recoveries:
30-12-2021 Westkapelle (Vroon van Westkapelle), Zeeland, NL 5.132,00 N 326,00 E colourring read Ezra Mandemaker.
below: Caspian Gull cachinnans F|9 2CY, December 30 2021, Westkapelle, the Netherlands. Picture: Ezra Mandemaker.
below: Caspian Gull cachinnans F|9 1CY, May 21 2020, Lelystad, the Netherlands. Picture: Merijn Loeve.
Visits:
| date: | egg no: | width (mm) | length (mm) | volume (cm3): | water test on April 27th: | |
| 15-04-2020 | A | 51,5 | 70 | 93,48 | 50 - tip on bottom | 3 eggs in nest. |
| 15-04-2020 | B | 51,2 | 74,4 | 98,20 | 55 - tip on bottom | |
| 15-04-2020 | C | 51,2 | 75,2 | 99,26 | 85 - tip on bottom | |
| sum nest: | 290,93 | |||||
| 07-05-2020 | egg | Fully grown chick died inside the egg. | ||||
| 07-05-2020 | pullus | Pullus 4 days old. | ||||
| 07-05-2020 | pullus | Pullus 4 days old. | ||||
| 21-05-2020 | pullus | Nest empty, but 2 chicks near nest and ringed. Pullus n[F|8]. | ||||
| 21-05-2020 | pullus | Nest empty, but 2 chicks near nest and ringed. Pullus n[F|9]. | ||||
| 02-06-2020 | -- | No chicks present. Both parents present. | ||||