This bird wears its crown not of feathers, but of horn. The Knob billed Duck (Sarkidiornis melanotos), also known as the Comb Duck, is one of the most unmistakable waterfowl in the world. Knob billed duck Wikipedia Sarkidiornis melanotos (Comb duck, Knob billed duck) The bird in the image is a knob billed duck (Sarkidiornis melanotos), also known as the comb duck. Nikon D500 + Sigma 150 600 mm #rickyrasaniaphotography #tholbirdsanctuary #nikon #sigma #birdphotography #winter #wildlifephotography #gujarat Sarkidiornis melanotos Monaco Nature Encyclopedia File:Knob billed duck (Sarkidiornis melanotos) male Botswana.jpg Wikimedia Commons