Heuglin's Gull (L. heuglini / antelius)(last update: |
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Heuglini adult, November 30 2009, northern Oman. Picture: Hans Larsson (his website).Active moult in all flight feather tracts. P6/P9. PMS=34. Outermost secondary just dropped. Active moult in rectrices. Outer rectrices (R5) still old, as this moult develops centrifugal (starting with inner feathers). |
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