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
Butastur
Busarellus
Pithecophaga
Trigonoceps
Stephanoaetus
Lophotriorchis
Microspizias
Gampsonyx
Geranoaetus
Necrosyrtes
Bermuteo
Micronisus
Ictinaetus
Kaupifalco
Leptodon
Helicolestes
Neophron
Lophaetus
Megatriorchis
Terathopius
Morphnus
Nisaetus
Aegypius
Rupornis
Polemaetus
Gypaetus
Pseudastur
Chelictinia
Macheiramphus
Urotriorchis
Aerospiza
Gypohierax
Eutriorchis
Morphnarchus
Aviceda
Harpyopsis
Hamirostra
Icthyophaga
Polyboroides
Geranospiza
Circaetus
Sarcogyps
Spizaetus
Erythrotriorchis
Leucopternis
Lophospiza
Henicopernis
Melierax
Hieraaetus
Tachyspiza
Spilornis
Cryptoleucopteryx
Haliastur
Lophoictinia
Harpagus
Chondrohierax
Ictinia
Rostrhamus
Elanoides