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 FH 1CY, June 19 2020, De Kreupel, the Netherlands. Picture: Leon Kelder.

Bird hatched in nest K09 in season 2020. Brother / sister of p[FD] & p[FE] & p[FF].
On June 19th, four large juveniles present at this spot, one individual most certainly from another nest (p[FF] maybe?). None of the birds traced back to the parents.
date:     WING: HEAD + BILL: BILL: WEIGHT: TARSUS:
12-6-2020 pullus NLA 5.545.454 & p[FD] 226 109.9 45.8 957 --
               
19-6-2020 pullus NLA 5.545.454 & p[FD] 290 115.3 968 78.4
19-6-2020 pullus NLA 5.545.490 & p[FE] 294 119.5 1212 78.2
19-6-2020 pullus NLA 5.545.491 & p[FH] 260 109.7 939 69.7