the knob-billed duck, or african comb duck closeup tropical wetland of keoladeo national park, bharatpur, rajasthan, india

african animal beak bharatpur billed bird birds birdwatching black breeding closeup colony comb coot duck face feather feathers forest glossy india jungle keoladeo knob knobbilled lake largest melanotos migration national nature outdoor park pond portrait rajasthan reflection reserve safari sarkidiornis sea species spots swim tropical water waterfowl wetland white wild wildlife wings winter