Argentina (B), Belize (B), Bolivia (B), Brazil (B), Colombia (B), Costa Rica (B), Ecuador (B), El Salvador (B), French Guiana (B), Guatemala (B), Guyana (B), Honduras (B), Mexico (B), Nicaragua (B), Panama (B), Paraguay (B), Peru (B), Suriname (B), Trinidad and Tobago (B), USA (B), Venezuela (B).
Eastern Colombia and eastern Ecuador, east to Venezuela and the Guianas, and south through Amazonian Brazil to northern Maranhío.
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 2,000,000 (2011).
Grey Hawk (Buteo plagiatus) [XC625098]
by Richard E. Webster from Camino Singayta, San Blas, Nayarit, Mexico (call)
Grey Hawk (Buteo plagiatus) [XC536470]
by Alain Malengreau from Nagatac, Magallanes, San Ram\u00f3n, Provincia de Alajuela, Costa Rica (call)
Subspecies
Asturina nitida and Asturina plagiata (Sibley and Monroe 1990, 1993) have been lumped as nitidus following AOU (1998) and moved to the genus Buteo following AOU (2006). Gender agreement of Buteo nitidus follows David and Gosselin (2002a).
Considered by some authors to be a subspecies of Grey-lined Hawk (Buteo nitidus).
BirdLife International Species Factsheet