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Range DescriptionTinamus osgoodi has an apparently highly disjunct range in the Andes of northern and central South America. Subspecies hershkovitzi occurs on the western slope of the East Andes, in Huila, Colombia, where its current status is unknown (last seen in 19764). Individuals, apparently belonging to this species, perhaps a new subspecies, were observed in the northern Central Andes of Antioquia, Colombia, in 1999-20003,14. In 2000, a specimen was collected at San José de Fragua on the eastern slope of the East Andes8. The nominate form occurs on the eastern slope of the Andes in Cuzco, Puno and Madre de Dios, south-eastern Peru, where it has been described as common (at least until 1958), fairly common and uncommon at three known locations2. A sizeable population may exist in Manu National Park, Madre de Dios and Cuzco. It was more recently found in a fourth area, the isolated Cerros del Sira in Huanaco, central Peru, where at least five birds were seen and further individuals were heard during biological inventories in 2005-200610. A report from 2007 concerns a single bird at 419 m in Yanachaga-Chemillén National Park12. In August 2001, a bird was reported from Shishicho, just north of Puerto Libre, Ecuador, near the border with Colombia9,11, representing the first sight record for the country, following a recording of a bird at the Loreto Road, Napo, in June 199815,16. In December 2008, an individual of this species was photographed in the Cordillera de Huacamayos, Napo, providing evidence that the birds found in Ecuador belong to subspecies hershkovitzi16. There are reports that the species was photographed by camera traps near the Loreto Road in the relatively new Narupa Reserve during 2009, and there are undocumented reports that this species has been heard and photographed using camera traps at the base of Sumaco Volcano15,16. The increasing number of records from Ecuador suggest that the species's range is more extensive and less disjunct than previously thought16.