The northern harrier, also known as the marsh hawk or ring-tailed hawk, is a bird of prey. It breeds throughout the northern parts of the northern hemisphere in Canada and the northernmost USA.
Juvenile flying at Bosque del Apache National Wildlife Refuge, USA
Female in flight at the Llano Seco Unit of the Sacramento National Wildlife Refuge Complex in California
Northern harrier male perched on shrub at Point Reyes National Seashore
The hen harrier is a bird of prey. It breeds in Eurasia. The term "hen harrier" refers to its former habit of preying on free-ranging fowl.
Image: Circus cyaneus, Ballaugh Curragh, Isle of Man 1
Image: Hen Harrier Pangolakha Wildlife Sanctuary Sikkim India Nov 2016
Circus cyaneus (male & female)
Bird in flight at an elevation of over 12,500 ft in Pangolakha Wildlife Sanctuary in East Sikkim district, India in the month of November