knob billed ducks sarkidiornis melanotos The extraordinary looking Knob-billed duck (Sarkidiornis melanotos) photographed in Rajkot, Gujarat, India by Raju Karia. Only males have the protrusion on the bill, which becomes more prominent during the breeding season Knob-Billed Male Duck: (Sarkidiornis melanotos)

Knob Billed Male Duck: (Sarkidiornis melanotos) or African comb duck or comb duck is a type of duck.The male is much larger than the female, and has a large black knob on the Avise's Birds of the World Knob billed duck (Sarkidiornis melanotos) in flight. From Sub Saharan Africa, Madagascar, and Indochina. : r AIDKE Knob Billed Duck in Uganda (Sarkidiornis melanotos) Uganda Birding Safaris & Tours

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