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) [XC72105]
by Alexandre Renaudier from Roura, route foresti\u00e8re du placer Tibourou, French Guiana (call)
Pearly-breasted Cuckoo (Coccyzus euleri) [XC602801]
by Dante Buzzetti from Esta\u00e7\u00e3o Ecol\u00f3gica de Murici, Murici, Alagoas, Brazil (song)
Subspecies
Forms a superspecies with Yellow-billed Cuckoo (Coccyzus americanus). Formerly known as Coccyzus julieni but this name officially suppressed.