The Peruvian Tyrannulet (Zimmerius viridiflavus) is a species of bird in the Tyrannidae family. As traditionally defined, it is endemic to Peru, but recent genetic evidence suggests it should include the taxon flavidifrons as a subspecies, in which case the range of the Peruvian Tyrannulet extends into far southern Ecuador. Alternatively, flavidifrons is sometimes considered a separate species, the Loja Tyrannulet, but it is not closely related to the Golden-faced Tyrannulet as previously believed.
The natural habitat of the Peruvian Tyrannulet is subtropical or tropical moist montanes.
BirdLife International 2004. Zimmerius viridiflavus. 2006 IUCN Red List of Threatened Species. Downloaded on 27 July 2007.
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