North-eastern Colombia and the Guianas through Amazonia to eastern Brazil (Mato Grosso, Paraná, Rio de Janeiro, Sío Paulo) south to northern Argentina (Misiones). Distribution patterns and movements unclear, but may only be winter visitor to eastern Colombia, Venezuela (R Orinoco) and the Guianas.
 
Population
Estimated population is unknown (2010).
Pearly-breasted Cuckoo (Coccyzus euleri) [XC72107]
by Andrew Spencer from R\u00e9gina, Montagne tortue, French Guiana (song)
Pearly-breasted Cuckoo (Coccyzus euleri) [XC441496]
by Patricio Mena Valenzuela from Laurentino, Laurentino, Santa Catarina, Brazil (song)
Subspecies
Forms a superspecies with Yellow-billed Cuckoo (Coccyzus americanus). Formerly known as Coccyzus julieni but this name officially suppressed.