Sarkidiornis
| Sarkidiornis | |
|---|---|
 | |
| Knob-billed duck (Sarkidiornis melanotos) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Anseriformes |
| Family: | Anatidae |
| Subfamily: | Tadorninae |
| Genus: | Sarkidiornis Eyton, 1838 |
Sarkidiornis is sometimes considered a monotypic genus with its sole member the knob-billed duck (S. melanotos), a cosmopolitan species. Most taxonomic authorities split the species into two:
| Image | Scientific name | Common Name | Distribution |
|---|---|---|---|
_male.jpg) | Sarkidiornis melanotos | Knob-billed duck | Sub-Saharan Africa, Madagascar and south Asia from Pakistan to Laos and extreme southern China |
.jpg) | Sarkidiornis sylvicola | Comb duck | eastern Paraguay, southeastern Brazil and the extreme northeast of Argentina |
References
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