Family Tyrant-flycatchers (Tyrannidae)

Least Concern

Red-rumped Bush-tyrant (Cnemarchus erythropygius)


French: Moucherolle à croupion roux German: Rostbürzel-Buschtyrann Spanish: Birro culirrojo

Tænioptera erythropygia

P. L. Sclater

, 1853,

Verdecocha, Pichincha, Ecuador


Races poorly differentiated. Two subspecies recognized.

Subspecies and Distribution
  • C. e. orinomus Wetmore, 1946 – N & C Colombia (Santa Marta Mts and NE Andes in Norte de Santander and Cundinamarca).
  • C. e. erythropygius (P. L. Sclater, 1853) – S Colombia (Nariño) S to W & C Bolivia (La Paz, Cochabamba).
  • Descriptive notes

    20–23 cm. Large and unmistakable flycatcher. Has crown light grey with narrow black shaft streaks, forehead grizzled whitish, vague whitish supercilium; dark brownish-... read more


    Usually quiet; call a short, blurry whistle, “wheeeu”; occasional shrill “kyeee” and higher-pitched... read more


    Montane scrub, páramo and Polylepis woodland; areas with scattered shrubs and low... read more

    Food and feeding

    Insects. Often found singly, less often in pairs or family groups. Usually conspicuous; perches on fences, boulders, bushes and wires;... read more


    Birds in breeding condition in Mar and Sept in Colombia; eggs in Nov in Peru (Puno). Nest an open cup placed low in bush. No other... read more



    Status and conservation

    Not globally threatened. Locally uncommon; rare in Colombia. Occurs in Las Cajas National Recreation Area and Guandera Biological Reserve, in Ecuador, Machu Picchu Historical... read more

    Recommended citation

    Farnsworth, A. & Langham, G. (2019). Red-rumped Bush-tyrant (Cnemarchus erythropygius). 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 7 December 2019).