Mystery Gull

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005.
Argentatus(4cy) or michahellis(3cy)? Relatively short and pink legs suggesting argentatus? Foto: Hannu Koskinen

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005. No mirror on p10. Foto: Hannu Koskinen

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005.
On background a typical 3cy argentatus in July. Foto: Hannu Koskinen

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005. Foto: Hannu Koskinen

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005.
Almost pure white head and neck. Foto: Hannu Koskinen

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005.
Plenty of dark brown coverts both on upperwing and underwing contrasting with ad-type grey ones. Foto: Hannu Koskinen

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005.
In flight dark brown tailband contrasting with clean white uppetailcoverts. Foto: Hannu Koskinen

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005.
The pattern of p5 is weak and the amount of black is reduced, suggesting argentatus? This kind of pattern of p5 is rare in michahellis.
Foto: Hannu Koskinen

Argentatus or michahellis
Unidentified immature Gull photographed at Tampere dump, SW Finland 23.7.2005. Foto: Hannu Koskinen