Argentina, Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Suriname, Trinidad and Tobago, Venezuela.
Population
Estimated population is 20,000 - 49,999 (2010).
Black Hawk-Eagle (Spizaetus tyrannus) [XC533948]
by Dan Rabosky from RNA Arrierito Anqioque\u00f1o, Anor\u00ed, Antioquia, Colombia (flight call)
Black Hawk-Eagle (Spizaetus tyrannus) [XC359009]
by Odirlei Vieira da Fonseca from Cerro Pirre (lower), Panama (flight call)
Subspecies
Like Ornate Hawk-Eagle (Spizaetus ornatus), not clearly related to Old World species of the genus.
The following 2 subspecies are recognised:
serus Friedmann, 1950 - Central Mexico south to Colombia, whence east of Andes to the Guianas, Trinidad and Brazil, and south to Paraguay and north-eastern Argentina; recent records west of Andes in Ecuador and Peru (but not Colombia).
tyrannus (Wied, 1820) - Eastern and southern Brazil and extreme north-eastern Argentina (Misiones).
BirdLife International Species Factsheet