Choshi＆Hasaki Fishing port ２００５-０２０９

＞Adult winter Thayer's Gull

＞Adult winter Glaucous Gull “barrovianus ”

＞Adult winter Vega Gulls

↑Same bird. The black of Primaries was P10-5.

＞Adult winter Heuglin's “timyrensis-type”Gull

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