South-eastern Brazil (extreme south-eastern Minas Gerais, Rio de Janeiro and central and eastern Sío Paulo south to western and central Paraná and north-western Rio Grande do Sul), eastern Paraguay (Canendiyu, Alto Paraná, Caazapá) and extreme north-eastern Argentina (northern Misiones).
 
Population
Estimated population is unknown (2010).
Bertoni's Antbird (Drymophila rubricollis) [XC427327]
by Juha Honkala from PE Intervales, Ribeirao Grande-SP, S\u00e3o Paulo, Brazil (canto)
Bertoni's Antbird (Drymophila rubricollis) [XC277795]
by Jerome Fischer from Maca\u00e9 de Cima, Nova Friburgo, RJ, Brazil (song)
Subspecies
Members of genus form a well-defined clade, and appear to be closely related to Hypocnemis. Closely related to Ferruginous Antbird (Drymophila ferruginea), and until recently treated as conspecific.