Brazil, Colombia, French Guiana, Suriname, Venezuela.
Extreme eastern Colombia, south-western Venezuela and Amazonian Brazil (from upper R Negro drainage east to Manaus area, south to Mato Grosso); also southern Guyana, Surinam, French Guiana and adjacent north-eastern Brazil (northern Amapá).
 
Population
Estimated population is unknown (2010).
Pale-bellied Mourner (Rhytipterna immunda) [XC202472]
by Caio Brito from Junglaven Lodge, Amazonas, Venezuela (song)
Pale-bellied Mourner (Rhytipterna immunda) [XC556558]
by Iv\u00e1n Lau from Campinaranas de Abun\u00e3, Brazil (canto)
Subspecies
No subspecies.
Placed by early authors in the family Cotingidae, with supposed close relationship to genera Laniocera and Lipaugus. However, well-supported anatomical evidence indicates that it is a tyrannid, having close affinities to Sirystes, Casiornis and Myiarchus.