| Slaty-backed Gull Larus schistisagus | |
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Faded 1st winter/summer
L. schistisagus Nigata Japan, early spring Photo by Hiroshi Furukawa オオセグロカモメ 第１回冬羽ー夏羽 褪色して白くなった個体 新潟県 撮影・古川 弘氏 |
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Faded 1st winter
L. schistisagus Takatugawa-river Masuda shimane Japan, early spring Photo by Kiyoshi Nomura
オオセグロカモメ |
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Faded 1st winter
L. schistisagus Takatugawa-river Masuda shimane Japan, early spring Photo by Kiyoshi Nomura
オオセグロカモメ |
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faded 1st winter
L. schistisagus or hybrid? Tamagawa-river Kawasaki Kanagawa Japan,late winter
オオセグロカモメ |