Swallow-tailed Cotinga - Currently, it is monotypic within the genus Phibalura, but it has been suggested that the taxon boliviana should be considered a separate species, the Bolivian Swallow-tailed Cotinga . The nominate taxon is found in Atlantic forest in south-eastern Brazil, eastern Paraguay and Argentina . The taxon boliviana, which only was rediscovered in 2000 , is restriced to the vicinity of Apolo in Bolivia. Both populations are threatened by habitat loss.