Wrens (Troglodytidae)

Fawn-breasted Wren (Thryothorus guarayanus) - HBW 10, p. 430

French: Troglodyte des Guarayos German: Guarayoszaunkönig Spanish: Cucarachero del Guarayos

Taxonomy: Troglodytes guarayana d’Orbigny and Lafresnaye, 1837, Guarayos, Santa Cruz, Bolivia.
Forms a superspecies with T. leucotis, T. superciliaris and T. longirostris; sometimes regarded as conspecific with first of those, although vocalizations quite distinct. Monotypic.

Distribution: Lowland areas of NE Bolivia (E Pando, E La Paz, E Cochabamba, Beni, Santa Cruz), adjacent Brazil (E Rondônia, SW Mato Grosso) and extreme NE Paraguay.