Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela.
Amazon Basin from eastern Ecuador and south-eastern Colombia east to southern Venezuela, the Guianas and northern Brazil (east to Belém), and south to north-eastern Peru and northern Mato Grosso.
 
Population
Estimated population is unknown (2010).
Collared Puffbird (Bucco capensis) [XC713247]
by JAYRSON ARAUJO DE OLIVEIRA from Quebrada Matamat\u00e1, San Mart\u00edn de Amacayacu, Amazonas, Colombia., Colombia (dawn song)
Collared Puffbird (Bucco capensis) [XC519474]
by Rolf A. de By from Fredberg proper approach trail, Sipaliwini, Suriname (call)
Subspecies
Birds from south-eastern Colombia to Ecuador and eastern Peru sometimes treated as subspecies dugandi, but this form is doubtfully distinct.