Aegypius - This bird is an Old World vulture, and is only distantly related to the New World vultures, which are in a separate family, Cathartidae, of the order Ciconiiformes.
Busarellus - It is found in Argentina, Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Suriname, Trinidad and Tobago, Uruguay, and Venezuela.
Circaetus - Circaetus, the snake eagles, is a genus of medium-sized eagles in the bird of prey family Accipitridae which also includes many other diurnal raptors such as buzzards and harriers.
Elanus - Black-winged Kites is a genus of bird of prey in the elanid kite subfamily.
Erythrotriorchis - "Erythro-" is from a Greek word for "red", and "triorchis" meant a kind of hawk thought to have three testicles.
Eutriorchis - Its natural habitat is subtropical or tropical moist lowland forests.
Gampsonyx - This tiny kite breeds from Panama, Colombia and Venezuela south to Bolivia and northern Argentina, with an isolated sedentary population in Nicaragua.
Hamirostra - Adult birds are relatively easy to recognise by their mainly dark plumage combined with distinctive white patches on the wings at the bases of the primary feathers.
Harpagus - According to Herodotus' Histories, Harpagus was a member of the Median royal house in service to King Astyages, the last king of Media.
Hieraaetus - The genus Hieraaetus, sometimes known as hawk-eagles, denoted a group of smallish eagles usually placed in the Buteoninae subfamily of accipitrids.
Leucopternis - Traditionally, Leucopternis contains the following species, but as the genus probably is polyphyletic, significant future changes are likely with several species being moved to other genera.
Milvus - Milvus is a genus of medium-sized birds of prey.
Morphnus - It is sparsely distributed throughout its extensive range from Guatemala through Belize, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Guyana, Suriname, French Guiana, Brazil, and east Andean Ecuador, Peru, Paraguay and Bolivia to north Argentina.
Neophron - As Suidas tells us, he introduced in his plays the torture of slaves, such scenes, according to the canons of dramatic art, not being produced on the stage, but merely referred to by messengers.
Parabuteo - The Harris's Hawk or Harris Hawk, Parabuteo unicinctus, formerly known as the Bay-winged Hawk or Dusky Hawk, is a medium-large bird of prey which breeds from the southwestern United States south to Chile and central Argentina.
Pithecophaga - The species was discovered in 1896 by the English explorer and naturalist John Whitehead, who observed the bird and whose servant, Juan, collected the first specimen a few weeks later.
Torgos - It is not closely related to the superficially similar New World vultures, and does not share the good sense of smell of some members of that group.