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This Secondary Area is defined by the highly localized and little-known breeding range of Black-and-tawny Seedeater Sporophila nigrorufa (classified as Endangered). The seedeater's habits are poorly understood, as it has been found during the breeding season only in a few localities in eastern Santa Cruz department of eastern Bolivia where it is normally the rarest seedeater present (Collar et al. 1992, Wege and Long 1995, Pearce-Higgins 1996). There are also a couple of records of it further east from the Pantanal of Mato Grosso do Sul and Mato Grosso states of western Brazil, one of which was of a male associating with a non-breeding flock of seedeaters. The species is most regularly seen (and proved to breed) at three sites of seasonally inundated cerrado grassland at the base of the Serran
Important Bird Areas (IBAs)
Threat and conservation
BirdLife International (2018) Endemic Bird Areas factsheet: East Bolivian cerrado. Downloaded from
http://www.birdlife.org on 22/02/2018.