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Osprey

Pandion haliaetus

Description:

Osprey in flight overhead scanning the water for prey.

Habitat:

Wetlands: Anhinga Trail, Everglades National Park, Florida. 25.38, -80.61

Notes:

The Osprey (Pandion haliaetus), sometimes known as the sea hawk, fish eagle, or fish hawk, is a diurnal, fish-eating bird of prey. It is a large raptor, reaching more than 60 cm (24 in) in length and 180 cm (71 in) across the wings. It is brown on the upperparts and predominantly greyish on the head and underparts, with a black eye patch and wings. In 1994, the osprey was declared the provincial bird of Nova Scotia, Canada. The Osprey tolerates a wide variety of habitats, nesting in any location near a body of water providing 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 name suggests, the Osprey's diet consists almost exclusively of fish. It possesses specialised physical characteristics and exhibits unique behaviour 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 recognized, one of which has recently been given full species status. Despite its propensity to nest near water, the Osprey is not classed as a sea-eagle. The Osprey is 0.9–2.1 kg (2.0–4.6 lb) in weight and 50–66 cm (20–26 in) in length with a 127–180 cm (50–71 in) wingspan. The subspecies are fairly close in size, with the nominate subspecies averaging 1.53 kg (3.4 lb), P. h. carolinensis averaging 1.7 kg (3.7 lb) and P. h. cristatus averaging 1.25 kg (2.8 lb). The wing chord measures 38 to 52 cm (15 to 20 in), the tail measures 16.5 to 24 cm (6.5 to 9.4 in) and the tarsus is 5.2–6.6 cm (2.0–2.6 in). The upperparts are a deep, glossy brown, while the breast is white and sometimes streaked with brown, and the underparts are pure white. The head is white with a dark mask across the eyes, reaching to the sides of the neck. The irises of the eyes are golden to brown, and the transparent nictitating membrane is pale blue. The bill is black, with a blue cere, and the feet are white with black talons. A short tail and long, narrow wings with four long, finger-like feathers, and a shorter fifth, give it a very distinctive appearance. The sexes appear fairly similar, but the adult male can be distinguished from the female by its slimmer body and narrower wings. The breast band of the male is also weaker than that of the female, or is non-existent, and the underwing coverts of the male are more uniformly pale. It is straightforward to determine the sex in a breeding pair, but harder with individual birds. The juvenile Osprey may be identified by buff fringes to the plumage of the upperparts, a buff tone to the underparts, and streaked feathers on the head. During spring, barring on the underwings and flight feathers is a better indicator of a young bird, due to wear on the upperparts. In flight, the Osprey has arched wings and drooping "hands", giving it a gull-like appearance. (Credit Wikipedia)

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4 Comments

JackEng
JackEng 8 years ago

MarkGuerin,
Glad you liked the image...

MarkGuerin
MarkGuerin 8 years ago

I agree with KarenL

JackEng
JackEng 10 years ago

Karen,
Thanks... it flew right over my head - and was gone in a flash!

KarenL
KarenL 10 years ago

great capture!

JackEng
Spotted by
JackEng

Homestead, Florida, USA

Spotted on Jan 5, 2013
Submitted on Sep 22, 2013

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