Family Tyrant-flycatchers (Tyrannidae)

Least Concern

Buff-banded Tyrannulet (Mecocerculus hellmayri)


French: Tyranneau de Hellmayr German: Fahlbinden-Tachurityrann Spanish: Piojito de los pinos

Mecocerculus hellmayri


, 1907,

Cocapata, Cochabamba, Bolivia


See M. poecilocercus. Monotypic.


Andes from SE Peru (N Puno) S to NW Argentina (Jujuy).

Descriptive notes

11 cm; 10–11 g. Has thin white supercilium, faint blackish eyestripe, whitish face; medium-grey crown contrasting with greenish-olive upperparts, rump and uppertail-... read more


A series of 4 clear, whistled notes, each inflected upwards.


Humid montane evergreen forest, especially mossy cloudforest, also Podocarpus forest;... read more

Food and feeding

Little known. Usually forages alone, often in mixed-species flocks. Moves actively, with horizontal posture, in outer foliage; makes... read more


Juvenile in May in Bolivia. No other information.



Status and conservation

Not globally threatened. Uncommon. Occurs in every protected area in Bolivian Yungas and S to NW Argentina (Calilegua National Park).

Recommended citation

Fitzpatrick, J. (2019). Buff-banded Tyrannulet (Mecocerculus hellmayri). 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).