Classification
Biota [regio]Animalia [regnum]
Chordata [phylum]
Aves [classis]
Accipitriformes [ordo]
Accipitridae [familia]
Circus [genus]
Genus Circus contains the following taxa:
Circus aeruginosus (Linnaeus, 1758) [species]
Circus buffoni (Gmelin, 1788) [species]
Circus cyaneus (Linnaeus, 1766) [species]
Circus pygargus (Linnaeus 1758) [species]