Possible juvenile Lesser Black-backed Gull moulting into 1st-winter Tarastenjärvi Tampere 21.9.2008: Foto: Hannu Koskinen





Typically Juvenile Baltic Gull has darker inner primaries than this bird.


Juvenile Baltic Gull to compare with. Inner primaries are very dark even in bright sunshine Tampere 21.9.2008. Foto: Hannu Koskinen