The northern harrier (Circus hudsonius), 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.

A medium-sized hawk with the classic accipiter shape: broad, rounded wings and a very long tail. In Cooper’s Hawks, the head often appears large, the shoulders broad, and the tail rounded.

2024年7月17日 · The red-tailed hawk has a very distinctive scream. It is so recognizable it is used in movies as the standard sound of any bird of prey. They are one of the largest raptors in North America, and can often be seen riding thermal updrafts.

Harrier hawks are native to Africa, America, and Eurasia. Only a female or juvenile carries the designation ring-tail. Only in America is either known as ring-tail marsh hawk. The Western Hemisphere accommodates the survival needs of marsh harrier hawks.

Harriers characteristically hunt by flying low over open ground, feeding on small mammals, reptiles, or birds. The young of the species are sometimes referred to as ring-tail harriers. They are distinctive with long wings, a long narrow tail, the …

2012年3月25日 · The Northern Harrier is distinctive from a long distance away: a slim, long-tailed hawk gliding low over a marsh or grassland, holding its wings in a V-shape and sporting a white patch at the base of its tail. Up close it has an owlish face that helps it hear mice and voles beneath the vegetation.

The Northern Harrier, known scientifically as Circus hudsonius and colloquially as the marsh hawk or ring-tailed hawk, is a captivating bird of prey. It is distinguished by its sexual dimorphism, with males and females sporting markedly different plumages.

It is commonly known as Northern harrier, ring-tailed hawk. This name is unplaced name for the species in the family Accipitridae subfamily Circinae, . This species is found in North America.

2021年4月12日 · Once called a marsh hawk, the northern harrier hunts over agricultural land, marshes, and shrubby wetlands. Its slender shape and low, gliding flight are distinctive; while hunting, it has an almost floaty flight pattern, giving rise to the nickname “gray ghost.”

1997年3月28日 · Sharp-shinned Hawks have a smaller head than Cooper's Hawks that barely sticks out past its wing, whereas the head of a Cooper's Hawks sticks out beyond its wings. Also note the square-tipped tail on Sharpies and rounded tail on Cooper's. © Alix d'Entremont / Macaulay Library Nova Scotia, September 24, 2014