Caracara - Unlike the Falco falcons in the same family, the birds in the five relevant genera are not fast-flying aerial hunters, but are comparatively slow and are often scavengers .
Herpetotheres - Its English name comes from its loud voice, as does the specific name cachinnans, Latin for "laughing aloud" or "laughing immoderately".
Ibycter - It is found in Bolivia, Brazil, Colombia, Costa Rica, El Salvador, Ecuador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Peru, Suriname, and Venezuela.
Micrastur - Forest-falcons are members of the genus Micrastur, part of the family Falconidae.
Microhierax - The world's smallest carnivorous birds are the Black-thighed Falconet found throughout Southeast Asia, and the White-fronted Falconet on the island of Borneo.