Family Tyrant-flycatchers (Tyrannidae)

Least Concern

Peruvian Tyrannulet (Zimmerius viridiflavus)


French: Tyranneau à face jaune German: Gelbstreif-Kleintyrann Spanish: Mosquerito peruano

E[laenia]. viridiflava


, 1844,

Tulumayo, Junín, Peru


Often treated as conspecific with Z. chrysops (see above) and Z. albigularis, but separated on basis of plumage and voice; now includes race flavidifrons (formerly assigned to Z. chrysops) on molecular and vocal grounds#R#R. Two subspecies recognized.

Subspecies and Distribution
  • Z. v. flavidifrons (P. L. Sclater, 1860) – Loja Tyrannulet – SW Ecuador (SE Guayas S to W Loja) and extreme NW Peru (Tumbes, Piura).
  • Z. v. viridiflavus (Tschudi, 1844) – Peruvian Tyrannulet – E Andes of C Peru (Huánuco, Junín, Ayacucho).
  • Descriptive notes

    12 cm; 9–10 g. Has pale yellow loral bands meeting narrowly over bill, pale yellow broken eyering, bright olive auricular patch washed with buff; bright olive above,... read more


    Rapid whistled phrase, “pee-diddle-wééo”, delivered many times in succession.


    Humid montane forest and forest edge, occasionally in second growth; 1000–2500 m.

    Food and feeding

    Insects; probably also mistletoe (Loranthaceae) and other small berries. Forages singly or in pairs, often following mixed-species flocks... read more


    Not documented.



    Status and conservation

    Not globally threatened. Restricted-range species: present in North-east Peruvian Cordilleras EBA. Uncommon to fairly common. Fairly common in Cerros del Sira and Yanachaga-... read more

    Recommended citation

    Fitzpatrick, J. & Christie, D.A. (2019). Peruvian Tyrannulet (Zimmerius viridiflavus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 12 December 2019).