Family Tyrant-flycatchers (Tyrannidae)

Least Concern

White-browed Ground-tyrant (Muscisaxicola albilora)


French: Dormilon à sourcils blancs German: Rostkappen-Grundtyrann Spanish: Dormilona cejiblanca

Muscisaxicola albilora


, 1855,

Santiago, Chile


Formerly considered closely related to M. juninensis, and perhaps conspecific, but genetic study refutes this#R. Monotypic.


C & S Chile (Valparaíso S to Magallanes) and CW & SW Argentina (Neuquén S to Santa Cruz); winters N to W Bolivia, Peru and Ecuador.

Descriptive notes

16·5–17 cm. Has prominent long, narrow white supercilium, tawny crown merging into rufous on hindcrown; upperparts greyish, wings dusky grey; tail black, outer... read more


Song an excited “tstet, tseek, tut, tsk, tchk”; flight call “tseet”,... read more


Puna grassland, pastures and stony hillsides, occasionally near marshes and lakes; also... read more

Food and feeding

Insects. Mainly terrestrial, making short runs and hops after prey, stopping suddenly and standing erect; less frequently, sallies from the... read more


Eggs in Oct–Jan in Chile; nests found in Nov and Feb in Argentina. During aerial display, flies up slowly, with legs dangling and... read more


Migratory; spends austral winter (Apr–Sept) farther N, to Bolivia, Peru and Ecuador, and... read more

Status and conservation

Not globally threatened. Fairly common. Generally numerous on Chilean nesting grounds, especially around Santiago, where the most numerous breeding ground-tyrant. Occurs in... read more

Recommended citation

Farnsworth, A. & Langham, G. (2020). White-browed Ground-tyrant (Muscisaxicola albilora). 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 17 January 2020).