Choshi＆Hasaki Fishing port ２００５-０２０８

＞1st winter Mongolian Gull

＞1st winter Mongolian Gull

Left bird.

＞1st winter Heuglin's “timyrensis-type”Gulls

＞1st winter Slaty-backed Gull

＞1st winter Vega Gull

Other features are different from a lot of Mongolian Gull though the tail band is narrow.

＞1st winter Glaucous Gull “barrovianus ”

＞1st winter Glaucous Gull×Vega Gull hybrid

＞Adult winter Vega Gulls

Primaries is not to finish still expanding.

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