Great Black-backed Gull (Larus marinus)

(last update: July 12, 2015)

Coordinators:
Jean-Michel Sauvage (France)
Morten Helberg (Norway)
Nils Helge Lorentzen (Norway)
Mars Muusse (Netherlands)

Great Black-backed Gull (Larus marinus) 2CY, February 16 2015, IJmuiden, the Netherlands.

Still completely juvenile plumage. Only slightly worn in the fringes.

US: 0%, LS: 0%, TOT SCAPS: 0%. Coverts and tertials juvenile.