Larus cachinnans in the Netherlands

(last update: August 16, 2020)

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

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Caspian Gull cachinnans F7 1CY & 3CY, May - June 2020 & May 2022, De Kreupel & Medemblik, the Netherlands. Picture: Leon Kelder.

Bird hatched in nest K04 in season 2020. Brother / sister of p[F8].
date: egg no: width (mm): length (mm): volume (cm3):      comments:
24-4-2020 A 50,7 71,8 131,60    
24-4-2020 B 50,8 70,8 128,21     Attempt to trap parents at nest. Unsuccessful. 3 warm eggs.
24-4-2020 C 50,2 73,9 138,04    
             
8-5-2020 A, B, C           3 warm eggs.
      WING: HEAD + BILL: BILL: WEIGHT:
21-5-2020 pullus NLA 5.545.427 & p[F7] -- 68.5 25.3 232 2 chicks at the nest.
21-5-2020 pullus NLA 5.545.428 & p[F8] -- 72.4 28.6 282  
             
12-6-2020 pullus NLA 5.545.427 & p[F7] 269.5 118.5 46.2 1142 2 chicks at the nest.
12-6-2020 pullus NLA 5.545.428 & p[F8] 276.0 120.9 48.4 1182  

below: Caspian Gull cachinnans F7 3CY, May 06 2022, Medemblik, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans F7 1CY, June 12 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans F7 1CY, May 21 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.