This species occurs in central and south Chile from Coquimbo south to central Fjordlands, including Isla Mocha, and south-central and south Argentina from Neuquén to west Chubut and southwest Santa Cruz. Although almost extirpated by Newcastle's Disease in 1954, it has recovered well and appears to be expanding in population and range, with some recent records within its former range in Argentina (del Hoyo et al. 1997). There are a high number of protected areas within its range, including some very large national reserves and parks at its southern extent, notably part of Katalalixar (6,745 km²) and Laguna San Rafael (17,420 km²) (Stattersfield et al. 1998). In addition, there are records from six national parks in Argentina: Lanin, Nahuel Huapi, Los Arrayanes in Neuquén, Lago Puelo, Los Alerces in Chubut and Los Glaciares in Santa Cruz.
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