bird genus - a genus of birds

Accipitridae, family Accipitridae - hawks; Old World vultures; kites; harriers; eagles

harrier - hawks that hunt over meadows and marshes and prey on small terrestrial animals

Circus Aeruginosus, marsh harrier - Old World harrier frequenting marshy regions

Circus pygargus, Montagu's harrier - brownish European harrier

Circus cyaneus, hen harrier, marsh hawk, northern harrier - common harrier of North America and Europe; nests in marshes and open land