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The torrent duck (Merganetta armata) is a resident breeder in the Andes of South America, nesting in small waterside caves and other sheltered spots. It is usually found along fast flowing mountain rivers, and usually remains at elevations of 5,000 feet (1500 m) or above. It is a powerful swimmer and diver even in white water, but is reluctant to fly more than short distances. Male torrent ducks have a striking black and white head and neck pattern and a red bill. In flight they show dark wings with a green speculum. Powerful swimmers and divers they navigate with ease through fast rivers, but are not skilled fliers and only fly for short distances.
Torrent duckTorrent duck