Genus: Circus
Systematics :
| Kingdom | Animals (Animalia) | |||||||
| Phylum | Ryggstrengdyr (Chordata) | |||||||
| Subphylum | Virveldyr (Vertebrata) | |||||||
| Klasse | Birds (Aves) | |||||||
| Order | Haukefugler (Accipitriformes) | |||||||
| Family | Haukefamilien (Accipitridae) | |||||||
| Genus | Circus | |||||||
| Species | Montagu's Harrier (Circus pygargus) | |||||||
| Species | Hen Harrier (Circus cyaneus) | |||||||
| Species | Western Marsh Harrier (Circus aeruginosus) | |||||||
| Species | Pallid Harrier (Circus macrourus) | |||||||
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