Birds which are restricted to, probably indigenous of the region: Rhea; Palamedea and Chauna, the screamers; Tinami; Psophia, Dicholophus, Eurypyga, Heliornis of the Gruiform assembly; Thinocorys and Attagis; Cracidae; Opisthocomus; of parrots Ara and Conurus with their allies; Monotidae, incl.
Helias) which is easily domesticated; and on the dry elevated cameos the ceriema (Dicholophus cristatus) which is prized for its flesh, and the jacamin (Psophia crepitans) which is frequently domesticated.
Genera: (a) Phoenicopterus, Platalea, Palamedea, Mycteria, Tantalus, Ardea, Recurvirostra, Scolopax, Tringa, Fulica, Parra,: Rallus, Psophia, Cancroma; (b) Hematopus, Charadrius, Otis, Struthio.
