The Harris's Hawk or Harris Hawk (Parabuteo unicinctus) formerly known as the Bay-winged Hawk or Dusky Hawk, is a medium-large bird of prey which breeds from the southwestern United States south to Chile and central Argentina. Birds are sometimes reported at large in Western Europe, especially Britain, but it is a popular species in falconry and these records almost certainly all refer to escapes from captivity. It is the only member of the genus Parabuteo. The name is derived from the Greek para, meaning beside, near or like, and the Latin buteo, referring to a kind of buzzard; uni meaning once; and cinctus meaning girdled, referring to the white band at the tip of the tail.[2] John James Audubon gave this bird its English name in honor of his ornithological companion, financial supporter, and friend Edward Harris. The Harris Hawk is notable for its behavior of hunting cooperatively in packs , consisting of family groups while most other raptors hunt in solitary

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