Tyrant-flycatchers (Tyrannidae)

Bolivian Tyrannulet (Zimmerius bolivianus) - HBW 9, p. 296

French: Tyranneau de Bolivie German: Olivkleintyrann Spanish: Mosquerito Boliviano

Taxonomy: Muscicapara boliviana d’Orbigny, 1840, Yungas, Bolivia.
Despite superficial resemblance to Phyllomyias, genus appears to be more closely related to Phylloscartes. Birds from C & S Peru named as race viridissimus, on average perhaps slightly yellower below than those in Bolivia, but individual and age-related variation in this character appears greater than any detectable geographical difference. Monotypic.

Distribution: E Andes from C Peru (Huanuco, N Ayacucho, Cuzco, Madre de Dios, Puno) S to N Bolivia (La Paz, Cochabamba).

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