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Slaty-backed Gull

YC Wee
on 24th December 2019

“Slaty-backed Gulls (Larus schistisagus) were reasonably common and we had the opportunity to see young birds that had not attainted full adult plumage. I am attempting to age these birds […]

YC Wee
on 22nd July 2019

“We saw many gulls during our time in Hokkaido and of interest were the Slaty-backed Gulls (Larus schistisagus) using the roofs of man-made structures to make their nests. Hasebe (2013) […]

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