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| Slaty-backed Gull Larus schistisagus
- Adult in winter plumage |
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| Photographer : | © Peter MacKenzie |
| Location : | Lake Furen, Hokkaido, Japan |
| Date : |
21 December 2010 |
| English synonyms: | Slatey-backed Gull |
| Bird Family : | Larini - Gulls |
| Bird Group : | CICONIIFORMES |
| Red Data Status : | Least Concern |
| Remarks : | |
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