Ospreys square measure very good fishers and so eat very little else—fish compose some ninety 9 % of their diet. attributable to this appetency, these birds is found close to ponds, rivers, lakes, and coastal waterways round the world. Ospreys hunt by diving to the water's surface from some thirty to one hundred feet (9 to thirty meters) up. they need engrossing pads on their feet to assist them pluck fish from the water with their snaky claws and carry them for nice distances. In flight, ospreys can orient the fish headfirst to ease wind resistance
Ospreys square measure typically confused with bald eagles, however is known by their white underparts. Their white heads even have a particular black eyestripe that goes down the aspect of their faces. Eagles and ospreys frequent similar habitats and typically battle for food. Eagles usually force hawk to drop fish that they need caught and steal them in point
Human home ground is typically associate aid to the hawk. The birds gayly build massive stick-and-sod nests on phonephone poles, channel markers, and different such locations. Artificial nesting platforms square measure common in square measureas wherever preservationists are operating to reinstate the birds. North yankee hawk populations became vulnerable within the Nineteen Fifties because of chemical pollutants like dichlorodiphenyltrichloroethane, that weakened their eggshells and hampered copy. Ospreys have rebounded considerably in recent decades, tho' they continue to be scarce in some locales
Most ospreys square measure migratory birds that breed within the north and migrate south for the winter. They lay eggs (typically three), that each folks facilitate to incubate. hawk eggs do not hatch all promptly, however square measure staggered in time in order that some siblings square measure older and a lot of dominant. once food is scarce these stronger birds could take it all and leave their siblings to starve.