Harriers (Circus) is a genus of bird (Aves) in the family Accipitridae (Hawks, Eagles, and Kites).
Circus ranivorus
Circus maurus
Circus cinereus
Circus spilonotus
Circus cyaneus
Circus buffoni
Circus macrosceles
Circus pygargus
Circus hudsonius
Circus macrourus
Circus spilothorax
Circus melanoleucos
Circus maillardi
Circus assimilis
Circus approximans
Circus aeruginosus
Accipiter
Milvus
Buteogallus
Buteo
Haliaeetus
Aquila
Circus
Parabuteo
Icthyophaga
Geranoaetus
Ictinaetus
Butastur
Circaetus
Eutriorchis
Trigonoceps
Bermuteo
Lophaetus
Morphnus
Microspizias
Cryptoleucopteryx
Gypohierax
Leptodon
Nisaetus
Harpyopsis
Spizaetus
Haliastur
Rupornis
Pithecophaga
Geranospiza
Pseudastur
Harpagus
Urotriorchis
Macheiramphus
Aviceda
Spilornis
Aegypius
Helicolestes
Megatriorchis
Chelictinia
Melierax
Lophoictinia
Polemaetus
Erythrotriorchis
Dryotriorchis
Necrosyrtes
Henicopernis
Terathopius
Busarellus
Leucopternis
Sarcogyps
Hieraaetus
Hamirostra
Kaupifalco
Gampsonyx
Neophron
Micronisus
Polyboroides
Stephanoaetus
Lophotriorchis
Morphnarchus
Gypaetus
Chondrohierax
Ictinia
Rostrhamus
Elanoides