Heuglin's Gull (L. heuglini / antelius)

(last update: 3-3-2011)

heuglini 2cy, May 23 2009, Tampere, Tarastenjarvi (Tara) dump, SW Finland. Image: Hannu Koskinen.

2cy heuglini, with standard post-juvenile moult on the wintering grounds: tertials, inner gc, inner and central mc, all llc and most of the lc. Exact moult in tail hard to determine, but several feathers 2nd gen, and probably outermost feathers still juvenile.