Heuglin's Gull (L. heuglini / antelius)(last update: |
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heuglini 3cy, June 15 2008, Tampere, Tarastenjarvi (Tara) dump, SW Finland. Image: Hannu Koskinen.3cy heuglini, much resembling birds from the graellsii-intermedius group regarding moult stage. All flight feathers 2nd gen, but witha distinct mirror on P10 (very rare in graellsii-intermedius). Several upper tertials, inner gc, inner and central mc and central llc replaced in the partial autumn moult. These feathers are now adult-like grey. On jizz, different from western taxa, with sloped forehead and long parallel bill (somewhat resembling cachinnans). |