Northern Harrier

The Northern Harrier (Circus cyaneus) also known as the Hen Harrier is a bird of prey. It breeds throughout the northern parts of the northern hemisphere in Canada and the northernmost USA, and in northern Eurasia. This species is polytypic, with two subspecies. Marsh Hawk is a historical name for the American form.

It migrates to more southerly areas in winter. Eurasian birds move to southern Europe and southern temperate Asia, and American breeders to the southernmost USA, Mexico, and Central America. In the mildest regions, such as France, Great Britain, and the southern US, Northern Harrier may be present all year, but the higher ground is largely deserted in winter.

Harriers have an owl-like face. The concave facial disk and relatively large off-set ears enable the bird to use triangulation of sound to help locate prey such as mice, voles, juvenile rabbits, frogs, pheasant chick, and other birds in dense vegetation. The female Harrier is larger than the male; hence, the female takes larger prey than the male.

For more info: en.wikipedia.org/wiki/Hen_harrier

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Make:	NIKON CORPORATION
Model:	NIKON D5
Exposure:	0.002 sec (1/640)
Aperture:	f/6.3
ISO Speed:	500
Focal Length:	600 mm
Lens:	600.0 mm f/4.0