Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Peru, Suriname, Trinidad and Tobago, Venezuela.
Population
Estimated population is 500,000 - 4,999,999 (2010).
Bright-rumped Attila (Attila spadiceus) [XC275758]
by Robson Silva e Silva from Pichincha: ridge between R\u00edo Mindo and R\u00edo Nambillo, 3 km SE Mindo, Ecuador (call)
Bright-rumped Attila (Attila) [XC539743]
by Steve Hampton from Porto Alegre camp -- Biological Dynamics of Forest Fragments Project, Brazil (song)
Subspecies
Subspecies differ vocally, with dawn songs falling into Middle and South American groups, suggesting that more than one species may be involved. Further study is required.
The following 12 subspecies are recognised:
pacificus Hellmayr, 1929 - Coastal western Mexico, from Sinaloa south to western Oaxaca.
flammulatus Lafresnaye, 1848 - South-eastern Mexico (Veracruz and eastern Oaxaca east to southern Quintana Roo), Guatemala, Belize and north-central Honduras.
gaumeri Salvin & Godman, 1891 - Northern Yucatán Peninsula (south-eastern Mexico), including islands of Holbox, Meco and Mujeres.
cozumelae Ridgway, 1885 - Cozumel I, off north-eastern Quintana Roo.
salvadorensis Dickey & van Rossem, 1929 - El Salvador south to north-western Nicaragua.
citreopyga (Bonaparte, 1854) - South-eastern Honduras and Nicaragua south to western Panama.
sclateri Lawrence, 1862 - Eastern Panama and adjacent north-western Colombia.
parvirostris Allen, JA, 1900 - Northern Colombia (Santa Marta region) and north-western Venezuela (Maracaibo Basin).
caniceps Todd, 1917 - Middle Magdalena and lower Sinú Valleys, in northern Colombia.
parambae Hartert, 1900 - Western Colombia south to north-western Ecuador (south to Manabí and Pichincha).
spadiceus (Gmelin, 1789) - Western and northern Venezuela (Táchira, western Apure, south-eastern Lara, and Falcón east to Aragua), Trinidad, and entire Amazon-Orinoco Basin from south-eastern Colombia north-east to the Guianas and south to eastern Ecuador, eastern Peru, northern Bolivia and southern Amazonian Brazil.
uropygiatus (zu Wied-Neuwied, 1831) - Coastal eastern Brazil (Alagoas, southern Bahia, Espírito Santo, Rio de Janeiro).
BirdLife International Species Factsheet