The Osprey (Pandion haliaetus), also known colloquially as seahawk, fish hawk or fish eagle, is a diurnal, fish-eating bird of prey. It is a medium-sized raptor, reaching 60 centimetres (24 in) in length with a 1.8 metre (6 ft) wingspan. It is brown on the upperparts and predominantly whitish on the head and underparts, with a brownish eyepatch and wings.
The Osprey tolerates a wide variety of habitats, nesting in any location which is near a body of water and provides an adequate food supply. It is found on all continents except Antarctica although in South America it occurs only as a non-breeding migrant.
As its other common names suggest, the Osprey's diet consists almost exclusively of fish. It has evolved specialised physical characteristics and exhibits some unique behaviours to assist in hunting and catching prey. As a result of these unique characteristics, it has been given its own taxonomic genus, Pandion and family, Pandionidae. Four subspecies are usually recognised. Despite its propensity to nest near water, the Osprey is not a sea-eagle.
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