Glaucous Gull
Larus hyperboreus
シロカモメ

adult winter
adult winter/2nd winter1,   2
adult winter
adult winter/2nd winter
adult winter
adult winter
adult winter
adult winter barrovianus?
1st winter 
2nd winter, adult
1st winter, standing,flying
19 adult/1st-winter barrovianus?
1st winter flying 
1st winter
1st winter 
1st winter 
1st winter 
2nd winter
1st winter to adult winter
1st winter 
3rd winter 
adult winter/2nd winter
1st/2nd/3rd winter 



 
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