Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Leon Kelder
Mars Muusse

Home

Caspian Gull cachinnans F|1 1CY, May 21 2020, Lelystad, the Netherlands. Picture: Merijn Loeve.

Black bar tibia ring n[F|1], ringed as pullus Larus cachinnans on May 21 2020 at nest 006 y[PESV] in colony Lelystad, the Netherlands.
Certainty on ID, breeders are Caspian Gull cachinnans, one partner is ringed yellow PESV and one unringed partner. Neighbours of yellow PLDP (nest 005).

datum: egg no: width (mm) length (mm) volume (cm3):   
15-04-2020 A 51 71,8 94,03 3 eggs in nest.
15-04-2020 B 51,4 70,9 94,31
15-04-2020 C 51,1 71,2 93,61
  sum nest: 281,95
07-05-2020 pullus   Nest with 3 small chicks (5 days old, 1 day old, 1 day old).
   
21-05-2020 pullus n[F|1] 2 pulli ringed.
21-05-2020 pullus n[F|7] 2 pulli ringed. n[F|7] ringed beneath nest near water.
   
02-06-2020 pullus 3 juveniles together, largest chick unringed swimming around.
02-06-2020 pullus 3 juveniles together, including n[F|1].
02-06-2020 pullus 3 juveniles together, including n[F|7].

Tibia black N-F|1 and metal NLA Arnhem 5.552.913, ringed as pullus Larus cachinnans on 21-05-2020 at Lelystad (Bataviahaven), the Netherlands (5230.00 N 525.00 E) - ringer Roland-Jan Buijs.

Recoveries:
24-09-2021, Kampen (Vossemeerplaat), Overijssel, NL 5.233,00 N 550,00 E colourring read G.J. Gerritsen