summit of Mount Biscachal, near Carcuata, Yungas of La Paz, Bolivia.
HBW indicated that race pallida differs vocally from others and may be a separate species; closer study reveals that population assigned to pallida from the salinas and foothills of the centre of endemism W of Córdoba has a fast song (shorter notes, faster pace) vs relatively slow song of all other populations and taxa, so may represent an undescribed taxon#R. Racial affinities of birds from C Bolivian Yungas in Cochabamba uncertain; tentatively included in argentina. Three subspecies currently recognized.
Food and feeding
Status and conservation
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