Knob billed Duck (Sarkidiornis Melanotos) Commonly Found in Sub Saharan Africa and South Asia Stock Image Image of biodiversity, behavior: 326401309 The knob billed duck (Sarkidiornis melanotos) aka African comb duck, is found in tropical wetlands in Sub Saharan Africa, Madagascar and the Indian Subcontinent from northern India to Laos and extreme southern China. African Comb Knob billed Duck Sarkidiornis Melanotos Stock Photo 654895312 Shutterstock 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