Larus cachinnans in the Netherlands

(last update: August 16, 2020)
Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse

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Nests at Lelystad 2022
nest y-PNED
nest y-PHSV / r-CG
nest y-P:U60
nest y-X56A
nest y-X71A
nest y-X540
nest y-XCHP
nest w-327:U
nest n-F|N
nest r-6A
nest r-6B
nest r-6C
nest r-CS
nest r-FC
nest w-8Z
nest zy-MT
nest 003
nest 011
nest 012
nest 014
nest 015
nest 017
nest 017B
nest 018
nest 019
nest 021
nest 026
nest 034
nest 035
nest 038
nest 040
nest 044
nest 046
nest 048
nest 053
nest 055
nest 058
nest 060
nest 061Z
nest 062
nest 063
nest 107Z
nest 109
nest 111
nest 112
nest 113
nest 117Z
nest 118Z
nest 123Z
nest 124Z
nest 125Z
nest 126Z
nest 127Z
nest 128Z
nest 129Z
nest 131Z
nest 132 YLG
nest 133
nest 134
nest 135
nest 136
nest 137
nest 138
nest 139
nest 143Z
nest 203
nest 204
nest 207
nest 222Z
nest 227
nest 228Z
nest 229
nest 230Z
nest 231
nest 240Z
nest 244
nest 245Z

 

Herring Gull argenteus 6.= 1CY, May 30 2022, Lelystad, the Netherlands. Picture: Mars Muusse.

Red tibia ring r[6.=] and metal NLA 5.625.181, ringed as pullus Larus argentatus at nest r-6.A (121Z) on May 30 2022 in colony Lelystad, the Netherlands. Ringer: Roland-Jan Buijs ringing team.
ID certain in 2022: both parents are adult Herring Gull argenteus, one of the parents trapped as breeder in 2022 and ringed r[6.A].

date            
27-04-2022 1 egg egg no: width (mm) length (mm) volume (cm3):  water test on April 27th: 
    A egg 49,3 68,3 -- 0 - flat bottom
04-05-2022 code '121' sprayed on tarmac.
  3 eggs egg no: width (mm) length (mm) volume (cm3):  water test: 
    A egg 49,5 68,4 -- --
    B egg 45,6 68,6 -- --
    C egg 48,5 66,6 -- --
09-05-2022 3 eggs.
17-05-2022 3 eggs.
22-05-2022 3 eggs. Adult Herring Gull trapped at the nest.
  metal: darvic: wing: Head + Bill: Gonys: Mass: Greytone:
  NLA 5625153 r-6.A 417 116,4 18,4 848 4.0-5.0
30-05-2022 2 chicks dead in nest. One pullus ringed.
  metal: darvic: wing: Head + Bill: Bill: Mass:  
  NLA 5625181 r-6.= 35 60,2 30,5 180  

below: Herring Gull argenteus 6.= 1CY, May 30 2022, Lelystad, the Netherlands. Picture: Mars Muusse.

r[6.=] argenteus from nest 121 r[6.A]. Picture: May 30th, 2022.
Ringed May 30th. No observations since. Also, 2 dead chicks in nest on May 30th, hence r[6.=] only surviving chick for this nest.