| Coordinator: Albert de Jong
 Merijn Loeve
 Roland-Jan Buijs
 Thijs Horst
 Leon Kelder
 Mars Muusse
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 Nests at Lelystad 2022nest  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
 |  Caspian Gull cachinnans 6.K  1CY, May 22  2022, Lelystad, the Netherlands. Picture: Mars Muusse.Red  tibia  ring r[6.K] and metal NLA 5.625.162, ringed as pullus Larus cachinnans at nest 139 on May 22 2022 in colony Lelystad, the Netherlands. Ringer: Jeroen Nagtegaal.ID uncertain in 2022: one parent is adult cachinnans-type, other parent is adult argentatus-type.
 
        
        
        
          | 27-Apr-22 | 3 eggs | A egg | 73,5 | 50,5 | tip bottom - 70    gr | Flag 139 attached. |  
          |  |  | B egg | 72,5 | 52,3 | tip bottom - 40 gr |  |  
          |  |  | C egg | 70 | 51 | tip bottom - 40 gr |  |  
          | 29-Apr-22 | 2 adults. |  | female has thin P5 band and standing    bird is HG type. |  
          |  |  |  | male has cachinnans wing, but bulbuous bill |  |  
          | 01-May-22 | together with LBBGs |  |  |  
          | 04-May-22 | partner 1 present. Images |  |  |  |  |  
          |  |  | metal | darvic | mass | wing | H+B |  |  
          | 22-May-22 | pullus | .5625162 | r-6K | 158 | 33 | 62,8 |  |  
          |  | pullus | .5625163 | r-6L | 160 | 35 | 63,4 |  |  
          |  | pullus | .5625164 | r-6M | 98 | 30 | 55,8 |  |  
          | 21-Jun-22 | pullus | r-6.L on blocks at nest 135. |  |  |  |  
          |  |  | partner 2 is defending    chick |  |  |  |  Caspian Gull cachinnans 6.K 1CY, May 22 2022, Lelystad, the Netherlands. Picture: Mars Muusse.r[6.K] cachinnans from nest 139.        Picture: June 28th, 2022.r[6.K] ringed on May 22nd. No observations since. Sibling r[6.L] and r[6.M] fledged.
 
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