Female Northern Harrier - By Len Blumin from Mill Valley, California, United States (Northern Harrier) [CC BY 2.0], via Wikimedia Commons

Female Northern Harrier - By Len Blumin from Mill Valley, California, United States (Northern Harrier) [CC BY 2.0], via Wikimedia Commons

Male Northern Harrier - By Jon Nelson from Bend, Oregon, USA (Male Northern Harrier) [CC BY 2.0], via Wikimedia Commons

Male Northern Harrier - By Jon Nelson from Bend, Oregon, USA (Male Northern Harrier) [CC BY 2.0], via Wikimedia Commons

Northern Harrier (Circus cyaneus)

Range
Open habitats (such as marshes and meadows) throughout northern and central

Size
Length          18-20 inches
Wingspan     40-47 inches
Weight          10-27 ounces

Habitat
Small mammals, birds, etc., found in the open habitat, including mice, blackbirds, insects, and lizards.

Diet
Small mammals, birds, etc., found in the open habitat, including mice, blackbirds, insects, and lizards.

Characteristics
Hunts generally over open spaces by quartering the area, flying slowly and close to the ground with wings held in a strong dihedral. Nests on the ground Male has pale grey plumage with white under wing feathers and black primaries; female has brownish plumage and is visibly bigger than the male.