Thursday 26 January 2017

Different Species of Hawks

Ornithologists agree that hawks are birds of prey in the family of Accipitridae, in the order Accipitriformes based on their average size (around 17 inches long) and hunting and nesting habits. Beyond this, the definition of what a hawk is becomes ambiguous. For example, some experts consider a harrier a hawk. Some don't because it uses its hearing to hunt and builds a nest on the ground.

Sharp-shinned Hawk
The Sharp-shinned Hawk breeds in the United States and Mexico. The males can be from 10 to 12 inches long, while females grow to 11.5 to 14.5 inches long. It has broad wings, a striped breast, and primary feathers that spread out like fingers when the bird flies. It lives in woodlands. This hawk is sometimes harassed by mobs of smaller birds like sparrows or swallows protecting their nests. Because the hawk is outnumbered, it leaves.

Harris' Hawk
Harris' Hawk can be found from South America up through Central America. It's a dark feathered bird with a patch of rust red on the upper wing. Individual birds can range from 18 to 30 inches long with the females as much as 40 percent larger than the male. It lives in dry semi-desert and scrub. It eats rabbits, rats, snakes, lizards and other birds. It's common for a group of them to hunt cooperatively and share the kill. Sometimes the female will mate with two males, and they will all take care of the resulting chicks.

The Red Tailed Hawk
The Red-Tailed Hawk is common in the United States, Mexico and through much of Canada. These are the birds seen nesting on ledges of tall buildings and on bridges in metropolitan areas, but it also likes open areas with fields and trees. Mature birds have the characteristic red tail. Its three color phases are dark, rufous (reddish) and light. It's about the same size as Harris' Hawk.

Eurasian Sparrowhawk
The Eurasian Sparrowhawk is found in much of Asia and northern Africa. It lives in the woods and scrub. It usually flies at low altitudes, even between the trees, and will catch smaller birds in flight. The brown female, who can be from 14 to 16 inches long, can be distinguished by her larger size and a pale spot on the back of her neck. The male, 11 to 13 inches long, is gray.

Goshawks
The Northern Goshawk is a larger relative of the Eurasian Sparrowhawk. The males can be 18 to 22 inches long, the females 23 to 25 inches long. It can be found in parts of North America as well as Asia. Its diet consists of smaller birds, squirrels and rabbits. The Pale Chanting-Goshawk is 22 to 26 inches long, with unusually long legs. It lives in areas of sub-Saharan Africa, and builds a nest in the fork of a thorn tree lined with hair, dung, grass and skin. It has slate gray back feathers and dark eyes.

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