2cy Baltic Gull L f fuscus
1-5: © Hannu Koskinen, 09-05-2007. Tampere, Finland.
C10H is an advanced 2cy fuscus. All feathers, including the primaries, have been renewed on the wintering grounds. Note the pale yellow legs, bright yellow bill with a hint of a red gonys spot and red orbital ring.
6-7: © Hannu Koskinen, 13-07-2008. Tampere, Finland.
C10H returned to Tampere as a very adult-like 3cy bird. Compare the second and third generation primaries and secondaries.