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| Ring-necked Duck Aythya collaris
- Female |
 |
| Photographer : | © Koji Tagi |
| Location : | Yokohama City, Kanagawa Prefecture, Honshu, Japan |
| Date : |
5 December 2020 |
| English synonyms: | Ringneck, Ring-billed Duck |
| Bird Family : | Anatini - Typical Ducks |
| Bird Group : | ANSERIFORMES |
| Red Data Status : | Least Concern |
| Remarks : | |
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