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Osprey And Salmon heavy weight t-shirt, 100% cotton pre-shrunk jersey, 185 gsm, seamless double-needle collar, taped neck and shoulders, twin needle sleeve and bottom hems, quarter-turned to eliminate center creases.
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INFO:
The Osprey (Pandion haliaetus), sometimes known as the sea hawk or fish eagle, is a fish-eating bird of prey. It is a large raptor , reaching 60 centimetres (24 in) in length with a 2 m wingspan. It is brown on the upper parts and predominantly greyish on the head and underparts, with a black eye patch and wings.
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 has evolved specialised physical characteristics and exhibits unique behaviour to assist in hunting and catching prey. Despite its propensity to nest near water, the Osprey is not a sea-eagle.
The Osprey differs in several respects from other diurnal birds of prey. Its toes are of equal length, its tarsi are reticulate, and its talons are rounded, rather than grooved. The Osprey and Owls are the only raptors whose outer toe is reversible, allowing them to grasp their prey with two toes in front and two behind. This is particularly helpful when they grab slippery fish.
The origins of Osprey are obscure; the word itself was first recorded around 1460, derived via the Anglo-French ospriet and the Medieval Latin avis prede "bird of prey''
The Osprey is 0.9–2.1 kilograms (2.0–4.6 lb) in weight and 50–66 centimetres (20–26 in) long with a 127–180 centimetres (4.2–6 ft) wingspan. The upper parts 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 bill is black and blue 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.
In flight, the Osprey has arched wings and drooping "hands", giving it a gull-like appearance. The call is a series of sharp whistles, described as cheep, cheep or yewk, yewk. If disturbed by activity near the nest, the call is a frenzied cheereek!
Fish make up 99% of the Osprey's diet. It typically takes fish weighing 150–300 grams (5–10 oz) and about 25–35 centimetres (10–14 in) in length, but the weight can range from 50 to 2000 grams (2–68 oz).
Ospreys have vision that is well adapted to detecting underwater objects from the air. Prey is first sighted when the Osprey is 10–40 metres (32–130 ft) above the water, after which the bird hovers momentarily then plunges feet first into the water.
The Osprey is particularly well adapted to this diet, with reversible outer toes, sharp spicules on the underside of the toes, closable nostrils to keep out water during dives, and backwards-facing scales on the talons which act as barbs to help hold its catch.
Occasionally, the Osprey may prey on rodents, rabbits, hares, amphibians, other birds and small reptiles.
In the late 19th and early 20th centuries, the main threats to Osprey populations were egg collectors and hunting of the adults along with other birds of prey, but Osprey populations declined drastically in many areas in the 1950s and 1960s; this appeared to be in part due to the toxic effects of insecticides such as DDT on reproduction. The pesticide interfered with the bird's calcium metabolism which resulted in thin-shelled, easily broken or infertile eggs. Possibly because of the banning of DDT in many countries in the early 1970s, together with reduced persecution, the Osprey, as well as other affected birds of prey species, have made significant recoveries. |
