Great Black-backed Gull (Larus marinus)(last update: July 12, 2015) |
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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. |