Tyrant-flycatchers (Tyrannidae)

Yellow-billed Tit-tyrant (Anairetes flavirostris) - HBW 9, p. 281

French: Taurillon à bec jaune German: Gelbschnabel-Tachurityrann Spanish: Cachudito Piquiamarillo

Taxonomy: Anaeretes flavirostris P. L. Sclater and Salvin, 1876, Tilotilo, Yungas of La Paz, Bolivia.
Genus was long known as Spizitornis. Plumage and molecular evidence suggest that present species is closely related to A. alpinus. Four subspecies recognized.

Subspecies and Distribution:

huancabambae (Chapman, 1924) - N Peru (Piura, Cajamarca, E La Libertad, Huánuco).
arequipae (Chapman, 1926) - SW Peru (S from Lima) S to NW Chile (Arica, Tarapacá).
cuzcoensis (Chapman, 1924) - SE Peru (Cuzco).
flavirostris P. L. Sclater & Salvin, 1876 - breeds in high Andes of Bolivia and in W Argentina (S to Mendoza and N Chubut); E to Buenos Aires and Entre Ríos in non-breeding season.