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Genus Phacellodomus
Chestnut-backed Thornbird - Its natural habitat is Mediterranean-type shrubby vegetation. It is threatened by habitat loss.
Red-eyed Thornbird - The Orange-eyed Thornbird is a species of bird in the Furnariidae family. It is endemic to Atlantic Forest in eastern Brazil. It formerly included P. ferrugineigula as a subspecies, but under the common name Red-eyed Thornbird. Unlike that species, the Orange-eyed Thornbird has conspicuously bright orange eyes, far less rufous below and on the crown , and the entire tail rufous. The two also have different voices and are locally sympatric in São Paulo without evidence of interbreeding.
Phacellodomus ferrugineigula - Unlike that species, the Red-eyed Thornbird has dark reddish-brown eyes, extensive rufous to the underparts, a relatively large rufous crown-patch, and dark central rectrices . The two also have different voices and are locally sympatric in São Paulo without evidence of interbreeding.
Greater Thornbird - It is found in Argentina, Bolivia, Brazil, and Paraguay.
Little Thornbird - The Little Thornbird is a species of bird in the Furnariidae family. It is found in Argentina, Bolivia, Paraguay, and Uruguay. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical dry shrubland.
Freckle-breasted Thornbird - The Freckle-breasted Thornbird is a species of bird in the Furnariidae family. It is found in Argentina, Bolivia, Brazil, and Uruguay. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical dry shrubland, and subtropical or tropical moist shrubland.