French: Merganette des torrents German: Sturzbachente Spanish: Pato torrentero
Other common names:
Colombian Torrent Duck (colombiana),
Peruvian Torrent Duck (leucogenis, turneri),
Argentine Torrent Duck, Chilean Torrent Duck (armata)
Andes of Chile, latitude 34°–35° S
Subspecies and Distribution
M. a. colombiana
Des Murs, 1845 – Andes from Venezuela S to N Ecuador.
M. a. leucogenis
(Tschudi, 1843) – Andes from C Ecuador to C Peru.
M. a. turneri
P. L. Sclater & Salvin, 1869 – Andes of S Peru and extreme N Chile (N Tarapacá).
M. a. garleppi
Berlepsch, 1894 – Andes of Bolivia.
M. a. berlepschi
E. J. O. Hartert, 1909 – Andes of N Chile, S Bolivia and NW Argentina.
M. a. armata
Gould, 1841 – most of Andes of Chile (S from Atacama) and S Argentina (S from San Juan).
40–46 cm; male 440–487·5 g, female 315–354 g. Unmistakable as it is only duck regularly found on fast-moving Andean rivers and streams. Slim and long... read more
Commonest vocalization of male is a clear “wheet”, that of female a throaty “queech”, which when... read more
Mountain rivers and streams of fast-flowing, clear waters, with gradient varying between 1 in 200... read more
Food and feeding
Aquatic invertebrates, mainly insect larvae (Rheophila, Caddis) and molluscs; perhaps also some fish. Principally takes... read more
Season variable according to locality, with season highly protracted, perhaps even year-round, in regions closes to equator; season Nov... read more
Adult birds virtually sedentary, but displaced from breeding territory by winter weather conditions... read more
Status and conservation
Not globally threatened (Least Concern). Numbers of colombiana estimated at 7000–12,000, with armata perhaps numbering 4000–10,000 individuals,... read more
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