Choshi＆Hasaki Fishing port ２００５-０２０４

＞Adult winter possible Mongolian Gull

If Primaries Pattern is not seen, the conclusion is not reached.

＞Adult winter probable Mongolian Gull

P10-5

＞Adult winter probable Mongolian Gull

P10-4

＞Adult winter Mongolian Gull

P10-4

With a Vega Gulls,Black-tailed Gull(right)

＞Adult winter American Herring Gull

With Vega Gull (right) and Thayer's Gull (rear).
Note the color of back, difference in right Vega Gull.

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

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

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

Various birds is seen in 'taimyrensis '-type.Hereafter, the color of the leg will change yellowish.

P10 not to finish still expanding.Primaries black is P10-4.

＞Adult winter Vega Gulls

P10-5

P10-5.Same bird ↑.

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