Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

Home

Herring Gull argenteus 6.E 1CY, May - July 2022, Lelystad, the Netherlands. Picture: Thijs Horst, Jeroen Nagtegaal & Mars Muusse.

Red tibia ring r[6.E] and metal NLA 5.625.158, ringed as pullus Larus argentatus at nest 123Z on May 22 2022 in colony Lelystad, the Netherlands. Ringer: Jeroen Nagtegaal.

Visits and data:
Estimation egg laying: A-egg = April 23 2022. Estimating hatching = May 21 2022.

date:              
  egg no: width (mm): length (mm): volume (cm3):  water test    
27-04-2022 A-egg 44,8 72,3 -- 40 - tip on bottom    
  B-egg 46,1 62   20 - tip on bottom  
  C-egg 44,3 67,7 -- 20 - tip on bottom
sum nest: --
   
04-05-2022 3 eggs
   
09-05-2022 3 eggs
       
17-05-2022 3 eggs      
       
22-05-2022   metal darvic mass wing H+B
pullus NLA 5.625.157 r-6.D 90 30 53,4
pullus NLA 5.625.158 r-6.E 87 29 52,6
pullus NLA 5.625.159 r-6.F 114 33 57 (potentially chick from nest 61Z, found it that shrub)
       
    metal darvic mass wing H+B Bill
30-05-2022 pullus NLA 5.625.159 r-6.F 385 70 77,8 29,0
       
12-07-2022 juvenile NLA 5.625.158 r-6.E picture

below: Herring Gull argenteus 6.E 1CY, July 12 2022, Lelystad, the Netherlands. Picture: Thijs Horst & Mars Muusse.

Nest with 3 eggs, 2 chicks ringed.

r[6.E] argenteus from nest 123. Picture: July 12th, 2022. Fledged.
Ringed on May 22nd. Sibling r[6.D] & r[6.F] have no observations since.