| نقل قول | Brown, P.W. and L.H. Fredrickson 1997 White-winged Scoter (Melanitta fusca). In Poole, A. and Gill, G. (eds.), The Birds of North America. The Birds of North America, Inc., Philadelphia, PA. 274:. |
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| Ref. No. | 7135 |
| Language | English |
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