knob billed ducks sarkidiornis melanotos African Knob-billed Duck - Species Knob-billed Duck

Knob billed Duck 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) 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 Stock photo of Comb knob billed duck {Sarkidiornis melanotos} Male, Serengeti NP. Available for sale on

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