Blue-winged goose
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| phylum | Chordata | The blue-winged goose(Cyanochen cyanoptera) is a waterfowlspecies which is endemicto Ethiopia. It is the only member of the genus Cyanochen. The relations of this species among the waterfowl is unresolved. It is morphologically close to shelducks, and particularly the South American sheldgeese, which have highly similar courtship displays. However, mitochondrial DNAsequenceanalyses of the cytochrome band NADH dehydrogenasesubunit2 genesindicates that it might belong to a very distinct and ancient "duck" clade, together with Hartlaub's duck, another African species of uncertain affinities.
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| clade | Diapsida | |
| Class | Aves | |
| order | Anseriformes | |
| family | Anatidae | |
| genus | Cyanochen | |
| species | C. cyanoptera |
