Bolivia, Brazil, French Guiana, Guyana, Peru, Suriname, Venezuela.
North-eastern Venezuela (Delta Amacuro), Guyana, northern Suriname, northern French Guiana, northern and central Brazil (eastern Amapá and lower R Amazon east to Maranhío, south to Mato Grosso, Rondônia and western Gioás) and northern Bolivia.
 
Population
Estimated population is unknown (2010).
Ashy-headed Greenlet (Hylophilus pectoralis) [XC297048]
by Ross Gallardy from Quebrada Upaquihua, San Martin dept., Peru (song)
Ashy-headed Greenlet (Hylophilus pectoralis) [XC684562]
by JAYRSON ARAUJO DE OLIVEIRA from Parque Nacional de Ilha Grande, S\u00e3o Jorge do Patroc\u00ednio, Paran\u00e1., Brazil (call, song)