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stiff-tailed duck (Oxyura) | |||
stifftail (Oxyura leucocephala); white-headed duck (Oxyura leucocephala) | |||
Oxyura | |||
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stiff-tailed ducks (Oxyurini) | |||
stiff-tailed ducks (Oxyurini raf) | |||
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white-headed duck (Oxyura leucocephala) |
савка : 19 phrases in 5 subjects |
Biology | 5 |
Caspian | 1 |
General | 1 |
Ornithology | 11 |
Zoology | 1 |