2cy mystery fuscus

Odd 2cy of unknown subspecies fuscus at Tara, SW Finland 15.06.2007. Foto: Hannu Koskinen

Odd 2cy of unknown subspecies fuscus at Tara, SW Finland 15.06.2007. Foto: Hannu Koskinen

Possible 2cy Larus (f.) heuglini? at Tara, SW Finland 12.06.2007. Foto: Hannu Koskinen

Possible 2cy Larus (f.) heuglini? at Tara, SW Finland 10.06.2007.
Difficult bird, might be fuscus as well (or hybrid of course). Foto: Hannu Koskinen

2cy fuscus-bird at Tara, SW Finland 10.06.2007. Foto: Hannu Koskinen

2cy fuscus-bird at Tara, SW Finland 10.06.2007. Foto: Hannu Koskinen

2cy fuscus-bird at Tara, SW Finland 10.06.2007. Foto: Hannu Koskinen

2cy fuscus-bird at Tara, SW Finland 10.06.2007. Foto: Hannu Koskinen

2cy fuscus-bird at Tara, SW Finland 10.06.2007. Whitish underwings suggest heuglini? Foto: Hannu Koskinen

2cy fuscus-bird at Tara, SW Finland 10.06.2007. Secondaries juvenile. Tail in moult (about half renewed).
P1-2 just grown up, p3-5 missing and p6-10 juvenile (p5-10 in right wing). Foto: Hannu Koskinen