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European Herring Gull, Larus a. argentatus 


Age/Type Date Location Comments
2nd CY February Cheshire, UK  
2nd CY February Cheshire, UK  

Adult

June Oslo, Norway  

Adult

June Oslo, Norway  

Adult

June Oslo, Norway Comparison with intermedius Lesser Black-back, and good view of underside of primaries.

Adult

June Oslo, Norway Complete white tip to P10

Adult

June Oslo, Norway View of spread right primaries