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Hawks fly by flapping their wings rapidly then relying on momentum to glide through the air. [20] Like other birds, they are known to form flocks when migrating, which improves survival rates over traveling alone. Flocks of birds, especially hawks, are sometimes called "kettles" in the United States. [non sequitur] [19]: 215–16
Many well-known birds such as hawks, eagles, kites, harriers and Old World vultures are included in this group. The osprey is usually placed in a separate family (Pandionidae), as is the secretary bird (Sagittariidae), and the New World vultures are also usually now regarded as a separate family or order.
The Accipitriformes (/ æ k ˌ s ɪ p ɪ t r ɪ ˈ f ɔːr m iː z /; from Latin accipiter 'hawk' and formes 'having the form of') are an order of birds that includes most of the diurnal birds of prey, including hawks, eagles, vultures, and kites, but not falcons.
Among them is the family Cathartidae (New World vultures) that as of early 2025 the American Ornithological Society (AOS), the Clements taxonomy, and BirdLife International's Handbook of the Birds of the World place in its own order, Cathartiformes.
Hawks, including the accipitrines, are believed to have vision several times sharper than humans, in part because of the great number of photoreceptor cells in their retinas (up to 1,000,000 per square mm, against 200,000 for humans), a very high number of nerves connecting the receptors to the brain, and an indented fovea, which magnifies the ...
Two of the larger, more widespread other Buteos are the Swainson's hawk and the ferruginous hawks and, as with many other birds of prey, red-tailed hawks occur in almost the entirety of these birds' breeding ranges. [10] [212] These species have broadly similar breeding season diets, especially the ferruginous and red-tailed hawks.
Living in woodlands, this hawk is known for agility darting between trees. Cooper's hawks teach us speed and stealth. Their presence says we must act fast and decisively on inspiration when it ...
Caracaras are a distinct subgroup of the Falconidae unique to the New World, and most common in the Neotropics – their broad wings, naked faces and appetites of a generalist suggest some level of convergence with either Buteo or the vulturine birds, or both. True hawks are medium-sized birds of prey that usually belong to the genus Accipiter ...