Hen-Harrier, Dove-coloured Falcon, or Blue Hawk, Falco Cyaneus, L. a native bird, found chiefly in the northern parts of Britain. It is about 18 inches in length; the female breeds an-nually on the Cheviot Hills, and other precipices in that neighbourhood ; and makes her nest on the ground, where she deposits four eggs.

Ihe hen-harrier flies low, skimming along the surface of the earth in search of its prey, consisting of lizards, reptiles, and birds, especially poultry; among which it commits great depredations.