| Coordinators:Albert de Jong
 Leon Kelder
 Roland-Jan Buijs
 Thijs Horst
 Merijn Loeve
 Mars Muusse
 Home Project InfoInternational trend
 National trend
 Site characteristics
 Breeding biology
 Fecundity
 Food resources
 Nonbreeding season
 Breeding species
 Hybrid scores
 Ring codes
 Future
 Lelystad 2020:nest 001
 nest 002 yPNED
 nest 003
 nest 005 yPLDP
 nest 006 yPESV
 nest 008 gXLDT
 nest 009
 nest 011
 nest 012
 nest 013
 nest 014
 nest 015
 nest 016
 nest 017
 nest 018
 nest 021
 nest 025
 nest 027
 nest 028
 nest 029
 nest 031
 nest 032
 nest 033
 nest 034
 nest 035
 nest 036
 nest 037
 nest 038
 nest 039
 pair A
 pair B
 | Caspian Gull cachinnans F|A 1CY, May 21 2020, Lelystad, the Netherlands. Picture: Merijn Loeve.      
      Blue bar tibia  ring b[F|A], ringed as pullus Larus cachinnans on May 21 2020 at nest 25 in colony Lelystad, the Netherlands.ID  certain,    one partner 4CY Caspian Gull cachinnans with obvious sub-adult patterns, other partner probably 5CY Caspian Gull cachinnans.
 
        
        
        
        
        
        
          | datum: | egg no: | width (mm) | length (mm) | volume (cm3): |  |  
          | 27-04-2020 | A | 45,3 | 70,3 | 72,64 | 2 eggs in the nest. Sub-adult Caspian at the lookout. |  
          | 27-04-2020 | B | 47,5 | 68 | 77,25 |  |  
          |  |  |  | sum nest: | -- |  |  
          | 21-05-2020 | pulli |  |  |  | Nest empty. Two chicks close-by, ringed b[F|A] & b[F|B]. |  
          |  |  |  |  |  |  |  
 |