Knob-Billed Duck

The Knob-Billed Duck, also known as Comb Duck, is a unique species because of its large black knob on the bill of the male birds. The species are found in tropical wetlands in Sub-Saharan Africa, Madagascar, and South Asia. One of the biggest types of waterfowl is them. The ducks' brown flanks contrast with their white heads that are speckled. It has a white neck and underparts. The top portions have a glossy blue-black color with bluish and greenish iridescence.

While females have a simple bill, males have a big, black knob on it. Males are greater than females in size. The peculiar ducks can be found in freshwater marshes, swamps, rivers, lakes, and rice fields. Water lilies, seeds, sprouts, grasses, small fish, frogs, and small invertebrates are some of the things they eat. The ducks breed in freshwater lakes and wetlands during the rainy season.