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).
Double-toothed Kite (Harpagus bidentatus) [XC564682]
by Fernando Igor de Godoy from Rio Purus,Santa Rosa do Purus,Acre, Brazil (call, territorial call)
Double-toothed Kite (Harpagus bidentatus) [XC105451]
by Sander Bot from Le solitaire - Montsin\u00e9ry, French Guiana (call)
Subspecies
Some similarities with Aviceda.
The following 2 subspecies are recognised:
fasciatus Lawrence, 1869 - Eastern Mexico (Oaxaca and Veracruz) to western Colombia and western Ecuador.
bidentatus (Latham, 1790) - Eastern Colombia and eastern Ecuador through Amazonia to eastern Bolivia (Beni) and south-eastern Brazil; Trinidad.