List of bird families by number of genera and species


 * Palaeognaths are birds from ostriches to tinamous.
 * Fowl are birds from megapodes (e.g. Malleefowl) to pheasants.
 * Metaves are birds from flamingos to hummingbirds.
 * Coronaves are birds from the hoatzin to the passerines (e.g. House Sparrow).

Passerae: Accipitrimorphae
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 * 78 || Cathartiformes || Cathartidae || 5 || 7 || The New World vultures. || List of Accipitrimorphs
 * 79 || Accipitriformes || Sagittariidae || 1 || 1 || Monotypic. The Secretarybird. || List of Accipitrimorphs
 * 80 || Accipitriformes || Pandionidae || 1 || 1 || Monotypic. The Osprey. It is occasionally split into two species. || List of Accipitrimorphs
 * 81 || Accipitriformes || Accipitridae || 71 || 251 || The hawks, kites, vultures, buzzards and allies. || List of Accipitrimorphs
 * 80 || Accipitriformes || Pandionidae || 1 || 1 || Monotypic. The Osprey. It is occasionally split into two species. || List of Accipitrimorphs
 * 81 || Accipitriformes || Accipitridae || 71 || 251 || The hawks, kites, vultures, buzzards and allies. || List of Accipitrimorphs
 * 81 || Accipitriformes || Accipitridae || 71 || 251 || The hawks, kites, vultures, buzzards and allies. || List of Accipitrimorphs
 * 81 || Accipitriformes || Accipitridae || 71 || 251 || The hawks, kites, vultures, buzzards and allies. || List of Accipitrimorphs