Brown-breasted Bamboo Tyrant (Hemitriccus) [XC81589]
by Rodrigo Dela Rosa from Intervales State Park. Mirante, Brazil (call)
Brown-breasted Bamboo Tyrant (Hemitriccus obsoletus) [XC690737]
by Fernando Igor de Godoy from Tel\u00eamaco Borba, Paran\u00e1, Brazil (song)
Subspecies
Formerly considered conspecific with Drab-breasted Bamboo-tyrant (Hemitriccus diops). Subspecies zimmeri initially named as naumburgae, but that name preoccupied when genus was enlarged.
The following 2 subspecies are recognised:
obsoletus (Ribeiro, 1906) - South-eastern Brazil, in western Rio de Janeiro (Serra do Itatiaia) and eastern Sío Paulo (Serra Bocaina and Serra Bananal).
zimmeri Traylor, 1979 - South-eastern Brazil, in Paraná and Rio Grande do Sul, and extreme north-eastern Argentina (Iguazú National Park).