Circus

Trivial name Latin name
Hen Harrier Circus cyaneus
Montagu`s Harrier Circus pygargus
Western Marsh Harrier Circus aeruginosus
Swamp Harrier Circus approximans
Pallid Harrier Circus macrourus
Eastern Marsh-Harrier Circus spilonotus
Eastern Marsh-Harrier Circus spilothorax
Pied Harrier Circus melanoleucus
American Harrier Circus hudsonius

comparison of wing and tail configuration1

1 According to Hartmann (2000a, 2000b and 2016)