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K N O B - B I L L E D D U C K |
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Sarkidiornis melanotos |
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Taxonomic note: Previously considered conspecific with Comb Duck S. sylvicola of South America. |
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| Adult male - breeding plumage | Adult male - non-breeding plumage | |
| Date: 31 December 2006 | Date: 22 October 2006 | |
| Location: Kruger National Park, South Africa | Location: Bot River, South Africa | |
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