Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela.
Amazonia from eastern Colombia, southern Venezuela and southern Guianas south to eastern Ecuador, eastern Peru, north-western Bolivia and north-central Brazil (S, in east, to R Tocantins, in Pará).
 
Population
Estimated population is unknown (2010).
Amazonian Scrub Flycatcher (Sublegatus obscurior) [XC115822]
by Sidnei Dantas from 30km SW Alta Floresta, MT, Brazil (song)
Amazonian Scrub Flycatcher (Sublegatus obscurior) [XC494248]
by JAYRSON ARAUJO DE OLIVEIRA from Presidente Figueiredo, 110 km north of Manaus, Amazonas State, Brazil (call)
Subspecies
No subspecies.
Unpublished molecular data suggest that genus is closely related to Chapada Flycatcher (Suiriri affinis). All members of genus formerly treated as conspecific, but vocal and plumage data support existence of three species, possibly more. Additional study needed in order to resolve species limits.