Harriers are birds of prey that feed on small mammals, reptiles or birds, often hunting them by flying low over open ground,
Species list
Genus Circus
Montagu’s Harriers, Circus pygargus
Papuan Harrier (Circus spilonotus spilothorax)
Northern or Hen Harrier, Circus cyaneus
Western Marsh Harrier, Circus aeruginosus
Eastern Marsh Harrier, Circus spilonotus
African Marsh Harrier, Circus ranivorus
Swamp Harrier, Circus approximans
Madagascar Marsh Harrier, Circus maillardi
Réunion Harrier, Circus maillardi
Long-winged Harrier, Circus buffoni
Spotted Harrier, Circus assimilis
Black Harrier, Circus maurus
Cinereous Harrier, Circus cinereus
Pallid Harrier, Circus macrourus
Pied Harrier, Circus melanoleucos
Eyles’ Harrier, Circus eylesi (New Zealand, extinct): The Eyles’ Harrier is an extinct bird of prey which lived in New Zealand. It was an example of island gigantism. It was the size of a small eagle, and a generalist predator.
Genus Polyboroides
Madagascar Harrier Hawk, Polyboroides radiatus
African Harrier Hawk, Polyboroides typus
Genus Geranospiza
Crane Hawk, Geranospiza caerulescens
