Argentina, Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Trinidad and Tobago, USA, Venezuela.
Eastern Colombia through central-southern Venezuela to the Guianas and south to eastern Ecuador and northern Peru eastern across north-central Brazil; south-eastern Peru, northern Bolivia, western and central Brazil and central Paraguay to extreme northern Argentina; also extreme south-eastern Brazil.
Population
Estimated population is unknown (2010).
Azure Gallinule (Porphyrio flavirostris) [XC22881]
by Joe Klaiber from Delta Amacuro, Tucupita, Venezuela (call)
Azure Gallinule (Porphyrio flavirostris) [XC108234]
by Bernabe Lopez-Lanus from Estancia La Clarita, Ruta 40 entre 41 y 42, Galarza, Corrientes, Argentina (call)
Subspecies
Formerly listed as Porphyrio parvus, but this name preoccupied. Sometimes placed in Gallinula or Porphyrula.
BirdLife International Species Factsheet