- See northern harrier.
- A bird of prey, Circus cyaneus, which breeds into the north areas of Eurasia and The united states.
- a hawk (Circus cyaneus), present Europe and America; -- labeled as also dove hawk, henharm, henharrow, hen-driver, and usually, in America, marsh hawk. See Marsh hawk.
- typical harrier of united states and European countries; nests in marshes and open land