French: Canard de Chiloé German: Chilepfeifente Spanish: Silbón overo
Talcahuano, Concepción, Chile
South America S of C Argentina and C Chile; Falkland Is. Winters to S Paraguay and SE Brazil.
43–54 cm; 720–1085 g. Compact, heavier than other wigeons, with only slight sexual dimorphism. Flank colour variable. Male has no eclipse plumage: forehead... read more
Very vocal, even at night, with male giving loud, bisyllabic, whistled “rakoo”, which may be... read more
Shallow freshwater lakes, marshes, lagoons and slow-flowing streams or rivers surrounded by... read more
Food and feeding
Essentially vegetarian; grasses, sedges and greener parts of plants and aquatic vegetation, as well as their seeds, but worms, larvae and... read more
Starts Aug/Sept, with courtship noted as early as Jul in Argentina and Jun–Jul in Chile; season generally Dec–Feb in Argentina... read more
Southernmost breeding populations move to lower latitudes in winter, as far N as Uruguay and S... read more
Status and conservation
Not globally threatened (Least Concern). Widely distributed and fairly common in most of range, with an overall population estimated at 100,000–1,000,000 individuals.... read more
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