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Genus Paroaria
Crimson-fronted Cardinal - Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist shrubland.
Yellow-billed cardinal - It occurs in Brazil, Paraguay, Bolivia and northern Argentina and introduced on the island of Hawai'i. It breeds in moist shrubland. The Yellow-billed Cardinal could be easily confused with the Red-crested Cardinal. The Yellow-billed Cardinal does not have a crest.
Red-crested cardinal - It is found in northern Argentina, Bolivia, southern Brazil, Paraguay and Uruguay. Among others, it is found in southern regions of the Pantanal. It has also been introduced to Hawaii and Puerto Rico. In Brazil, it has been introduced to various places outside its historical range, as in the Tietê Ecological Park in São Paulo, alongside with its close relative, the Red-cowled Cardinal. The Yellow-billed Cardinal could be easily confused with the Red-crested Cardinal. The Yellow-billed Cardinal does not have a crest.
Red-cowled Cardinal - Its occurs in a wide range of dry to semi-humid open to semi-open habitats in north-eastern Brazil . It has been introduced to Rio de Janeiro and São Paulo, being locally common even in urban areas.
Red-capped Cardinal - The adult Red-capped Cardinal is 16.5 cm long and weighs about 22 g .