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Holotype. MNRJ 44149: adult male (skull 100 % ossified; right testis 4.2 mm, left 3.6 mm) from the valley of the Rio Cumbuca (12 o 58 ’ 29 ” S, 41 o 21 ’ 29 ” W, elevation 860 m), 3.5 km northeast of the town of Mucugê, in the municipality of Mucugê, state of Bahia, Brazil; mist-netted 22 November 2002 by LPG and AMPC, prepared as a skin by LPG; carcass (including post-rostral skull) preserved in alcohol; molting feathers on body and head, plumage slightly worn. Calls tape-recorded by LPG (ASEC 10614 - 10616). Flattened wing length 50 mm; tail length 59 mm; bill from anterior edge of nostril 8.5 mm; exposed culmen 12.5 mm; tarsus 19.5 mm; weight 9.0 g (light fat). Paratypes. MNRJ 44150: adult female (skull ossified, well-developed egg in oviduct 16.1 mm x 11.5 mm) paired with holotype, same date and site, molting feathers on wing, tail, head and body, prepared as a skin; voice recordings ASEC 10614 - 10615. MPEG 60419: adult female (skull ossified, ovarium 5.7 mm, oviduct moderately developed) collected 14 November 2002, same site as holotype, molting feathers on tail, head and body, prepared as a skin. MPEG 60420: adult male (skull ossified, right testis 3.3 mm, left 4.1 mm), paired with MPEG 60419, same date and site, molting feathers on head and body, prepared as a skin. MZUSP 76676: adult male (skull ossified, right testis 2.8 mm, left testis 3.0 mm), collected 28 November 2002, same site as holotype, molting feathers on head and body, prepared as a skin; voice recording ASEC 10515. MZUSP 76677: adult female (skull ossified, ovarium 3.9 mm, oviduct not developed) paired with MZUSP 76676, same date and site, molting feathers on wing and breast, prepared as a skin. Additional specimens (non-type material). MNA 2690 and MNA 2691 (spirit specimens): adult males, Serra do Ribeirão (12 o 33 ’ 30 ” S, 41 o 25 ’ 13 ” W, elevation 950 m), municipality of Lençóis, 17 and 19 February 1999; RG 2924 (skin): adult male, Igatu, municipality of Andaraí, 18 May 1965; UFRJ 0 798 (flat skin): adult male, Igatu, municipality of Andaraí, 16 November 2002; voice recordings ASEC 10541 - 10542.