Heuglin's Gull (L. heuglini / antelius)(last update: |
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Heuglini 1cy, November 30 2009, northern Oman. Picture: Hans Larsson (his website).Completely juvenile plumage by late November, no obvious moult gaps in scapulars. Juvenile feathers in perfect condition, no wear. Tertials and wing-coverts juvenile. Bill base dark. Obvious piano-key pattern on inner gc. |
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