Hawk
Sharp-shinned Hawk
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Aves Order: Falconiformes

The term hawk can be used in several ways: To meet Wikipedias quality standards, this article may require cleanup. ... Image File history File links Download high-resolution version (680x1150, 265 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Hawk ... Binomial name Vieillot, 1807 The Sharp-shinned Hawk (Accipiter striatus) is a small hawk. ... Scientific classification redirects here. ... For other uses, see Animal (disambiguation). ... Typical Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... For other uses, see Bird (disambiguation). ... Families Accipitridae Pandionidae Falconidae Sagittariidae The order Falconiformes is a group of about 290 species of birds that include the diurnal birds of prey. ...

• In strict usage in Europe and Asia, to mean any of the species in the subfamily Accipitrinae in the genera Accipiter, Micronisus, Melierax, Urotriorchis and Megatriorchis. The large and widespread Accipiter includes goshawks, sparrowhawks , the Sharp-shinned Hawk and others. These are mainly woodland birds with long tails and high visual acuity, hunting by sudden dashes from a concealed perch.

• More generally (especially in North America) to mean small to medium-sized members of (often) the Falconidae, Pandionidae (the Osprey) and the Accipitridae - the family which includes the "true hawks" (Accipiters) as well as eagles, kites, harriers and [[|Buteo|buzzard]]s.

• Loosely, to mean almost any bird of prey outside of the order Strigiformes (owls).

• A Glasgow rugby player with the Human immunodeficiency virus - lacking in history and of low moral standard.

The common names of birds in various parts of the world often use hawk in the second sense. For example, the Osprey or "fish hawk"; or, in North America, the various Buteo species (e.g., the Red-tailed Hawk, B. jamaicensis). For other uses, see Europe (disambiguation). ... For other uses, see Asia (disambiguation). ... For other uses, see Species (disambiguation). ... ... For other uses, see Hawk (disambiguation). ... For other uses, see Genus (disambiguation). ... The genus Accipiter is a group of birds of prey in the family Accipitridae. ... Binomial name Urotriorchis macrourus (Hartlaub, 1855) The Long-tailed Hawk (Urotriorchis macrourus) is a bird of prey in the family Accipitridae which also includes many other diurnal raptors such as kites, eagles and harriers. ... Binomial name Megatriorchis doriae Salvadori & DAlbertis, 1875 The Dorias Goshawk, Megatriorchis doriae is a large, up to 69cm long, greyish brown raptor with a black-barred crown and upperparts plumage, dark brown iris, blackish bill, greenish yellow legs, a black streak behind eye and whitish below. ... Binomial name (Linnaeus, 1758) The Goshawk (Accipiter gentilis; from OE. góshafoc goose-hawk) is a medium-large bird of prey in the family Accipitridae, which also includes other diurnal raptors, such as eagles, buzzards and harriers. ... Binomial name Accipiter nisus (Linnaeus, 1758) The Sparrowhawk (Accipiter nisus) is a small bird of prey in the family Accipitridae which also includes many other diurnal raptors such as eagles, buzzards and harriers. ... Binomial name Vieillot, 1807 The Sharp-shinned Hawk (Accipiter striatus) is a small hawk. ... North American redirects here. ... Genera Daptrius Phalcoboenus Polyborus Milvago Herpetotheres Micrastur Spiziapteryx Polihierax Microhierax Falco The family Falconidae includes about 60 species of diurnal birds of prey, notably the falcons and caracaras. ... Binomial name Pandion haliaetus (Linnaeus, 1758) The Osprey (Pandion haliaetus) is a medium large raptor which is a specialist fish-eater with a worldwide distribution. ... Subfamilies Elaninae Perninae Milvinae Accipitrinae Buteoninae Aegypiinae Circinae Circaetinae The Accipitridae is one of the two main families within the order Falconiformes (the diurnal birds of prey). ... Genera Several, see text. ... Genera Milvinae Harpagus Ictinia Rostrhamus Haliastur Milvus Lophoictinia Hamirostra Elaninae Elanus Chelictinia Machaerhamphus Gampsonyx Elanoides Kites are raptors with long wings and weak legs which spend a great deal of time soaring. ... Genera Circus Geranospiza Polyboroides A Harrier is any of several species of diurnal birds of prey which fly low over meadows and marshes and hunt or harry small animals or birds (hence their common name). ... Orders Accipitriformes     Cathartidae     Pandionidae     Accipitridae     Sagittariidae Falconiformes     Falconidae A bird of prey or raptor is a bird that hunts its food, especially one that preys on mammals or other birds. ... For uses of the word Owl as a three letter acronym, see OWL. Families Strigidae Tytonidae An owl is any of some 200+ species of solitary nocturnal birds of prey in the order Strigiformes. ... Binomial name (Gmelin, 1788) Synonyms Buteo borealis Buteo broealis (lapsus) The Red-tailed Hawk (Buteo jamaicensis) is a medium-sized bird of prey, one of three species colloquially known in the United States as the chickenhawk. ...

In February 2005, Canadian ornithologist Louis Lefebvre announced a method of measuring avian "IQ" in terms of their innovation in feeding habits.[1] Hawks were named among the most intelligent birds based on his scale. Ornithology (from the Greek ornitha = chicken and logos = word/science) is the branch of biology concerned with the scientific study of birds. ... IQ redirects here; for other uses of that term, see IQ (disambiguation). ...

Hawks are widely reputed to have visual acuity several times that of a normal human being. This is due to the many photoreceptors in the retina (up to 1,000,000 per square mm for Buteo, against 200,000 for humans), an exceptional number of nerves connecting these receptors to the brain, and an indented fovea, which magnifies the central portion of the visual field. A photoreceptor, or photoreceptor cell, is a specialized type of neuron found in the eyes retina that is capable of phototransduction. ... Human eye cross-sectional view. ... This article is about cells in the nervous system. ... For other uses, see Brain (disambiguation). ... Schematic diagram of the human eye, with the fovea at the bottom. ... The term visual field is sometimes used as a synonym to field of view, though they do not designate the same thing. ...

A Red-Tailed Hawk at the Sacramento Zoo in Sacramento, CA, USA