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Range DescriptionCinclodes aricomae occurs in the Andes of south-eastern Peru (Cuzco, Apurímac, Puno, Ayacucho and Junín) and adjacent La Paz, Bolivia (C. Aucca Chutas in litt. 2012). Historically, it was probably common, at least locally, and distributed along the entire Cordillera Real. Its scarce and patchy habitat now occupies c.10% of the estimated potential cover in Bolivia, and possibly less than 3% in large parts of Cuzco (Fjeldså and Kessler 1996), where natural habitat halved in extent during the 1980s. The majority of Peruvian records are from near Cuzco city, in Cuzco and Apurímac (Fjeldså and Kessler 1996), including the Cordillera Vilcanota (H. Lloyd in litt. 2004), with numbers estimated at 100-150 individuals in 1990 (Fjeldså and Krabbe 1990). It was recently recorded in the Pariahuanca Valley, Junín, a significant northwesterly extension (D. Lane in litt. 2008, Witt and Lane 2009). Surveys in three river valleys of the Cordillera Vilcanota in 2003-2005 confirmed the species's presence at only one of ten sites visited and estimated just two birds in 1.71 km2 of Polylepis habitat (Lloyd 2008). A record in 1997, in the Cordillera Apolobamba, La Paz (Valqui 2000), was the first in Bolivia since 1876, but it has since been recorded in the Ilampu Valley in 2000 (Vogel and Davis 2002) and near Sanja Pampa in 2003 (I. Gomez in litt. 2003, 2008, 2009), and subsequent surveys have found it at 14 localities in the country (J. Mobley in litt. 2010): eight in the Cordillera Apolobamba and six in the Cordillera la Paz, with the Bolivian population estimated at 50-100 individuals (D. Lebbin in litt. 2010, J. Mobley in litt. 2010, Gómez et al. 2011). An international conservation plan for the species that was being drafted in 2010 estimates the population in Peru at 181 individuals, suggesting a total population of 231-281 individuals (D. Lebbin in litt. 2010).