Sarkidiornis
Sarkidiornis | |
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Comb duck (Sarkidiornis sylvicola) | |
Scientific classification ![]() | |
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[who?], however, split the species into two:
Image | Scientific name | Common name | Distribution |
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Sarkidiornis melanotos | Knob-billed duck | Sub-Saharan Africa, Madagascar and Southern Asia from Pakistan to Laos and extreme southern China |
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Sarkidiornis sylvicola | Comb duck | eastern Paraguay, southeastern Brazil and extreme northeastern Argentina |