Juv/1st winter
Vega Gull L.vegae
6th November 2002 Sakawagawa-river Odawara Kanagawa Japan

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A typical juvenile Vega Gull resembling argenteus/argentatus.

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A paler individual.  Note the rather uniform, less contrasty overall impression compared to mongolicus.

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A relatively long-billed juvenile.

The dark tail-band is broader than in mongolicus.

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