Choshi＆Hasaki Fishing port ２００５-０２０４

＞1st winter Glaucous Gull “barrovianus ”

With a Normal type Glaucous Gull (right).Smaller than this.

＞1st winter Glaucous Gull “barrovianus ”

With a 1st winter Vega Gull (right)

＞1st winter Glaucous Gull “barrovianus ”

Take off.

＞1st winter Glaucous Gull “barrovianus ”

with a Adult Slaty-backed Gull (right)

＞Other Glaucous Gull “barrovianus ”

With a 1st winter vega Gull (left)

＞1st winter Glaucous Gulls

Bigger than 'barrovianus '

With a Black-tailed Gull.

＞1st winter Vega Gull×Glaucos Gull Hybrid？

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