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