Robbins and S. N. G. Howell, 1995,
Cerros del Sira (1550 m), Departamento Huánuco, Peru.
Considered a member of G. minutissimum complex, which includes also G. palmarum, G. sanchezi, G. griseiceps and G. hardyi; further study needed to determine true relationships. Recently described species with highly distinctive song, possibly not closely related to others of that complex. Monotypic.
E slope of Andes in Ecuador and Peru; N to SW Colombia#R, possibly also extending farther S into N Bolivia (to W Santa Cruz).
Food and feeding
Status and conservation
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