Colombian name: Tiranuelo Cenizo

The Ashy-headed Tyrannulet is distributed in the Andes from south-west Venezuela to southern Peru. See the distribution map at NatureServe. It is found in cloudforest and the borders of montane forest in the mid-storey and sub-canopy at altitudes mainly between 1,000 and 2,500 metres.

It has a bluish-grey crown and bright olive back. The sides of the head are yellowish white with black crescents behind the ear coverts and the wings are blackish with two yellowish-white bars. The throat is white and the breast is finely streaked olive on pale yellow while the belly is yellow.