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The osprey (/ ˈ ɒ s p r i,-p r eɪ /; [2] Pandion haliaetus), historically known as sea hawk, river hawk, and fish hawk, is a diurnal, fish-eating bird of prey with a cosmopolitan range. It is a large raptor , reaching more than 60 cm (24 in) in length and 180 cm (71 in) across the wings.
Seabirds, along with some Australian and Southern African landbirds such as the southern ground hornbill [72] or white-winged chough, [73] have the longest chick-rearing stage of any bird on earth. [1] It is not unusual for many seabirds to spend 3–4 months raising their chicks until they are able to fledge and forage independently.
Seabirds generally live longer, breed later and have fewer young than other birds, but they invest a great deal of time in their young. Most species nest in colonies, varying in size from a few dozen birds to millions.
This list of birds of Virginia includes species credibly documented in the U.S. state of Virginia by the Virginia Avian Records Committee of the Virginia Society of Ornithology (VARCOM). As of January 1, 2022 the list contained 487 species and four species pairs. [ 1 ]
A photo of a nesting pair of eagles goes viral, draws lots of humans to view their Delaware River island nest. ... When it comes to nest building, bald eagles will continue to renovate and add on ...
Approximately 13% of all bird species nest colonially. [2] Nesting colonies are very common among seabirds on cliffs and islands. Nearly 95% of seabirds are colonial, [3] leading to the usage, seabird colony, sometimes called a rookery. Many species of terns nest in colonies on the ground.
The female booby reaches about 80 centimetres (31 in) in length, their wingspan measures up to 150 cm (4.9 ft), and they can weigh up to 1,300 g (2.9 lb). The male booby reaches about 75 centimetres (30 in) in length, their wingspan measures up to 140 cm (4.6 ft), and they can weigh up to 1,000 g (2.2 lb). [12]
Nest building is an important part of the pair-bonding process. Most gull nests are mats of herbaceous matter with a central nest cup. Nests are usually built on the ground, but a few species establish their nests on cliffs (the usual preference for kittiwakes), and some choose to nest in trees and high places (e.g. Bonaparte's gulls).