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[10] [11] [12] Researchers have documented the white hawk feeding on a number of bird species including the keel-billed toucan, the mottled owl, the white-breasted wood wren and the great tinamou. [10] They may feed on young and weak birds, as well. [12] Though rare, there is some evidence that this hawk may occasionally feed on fish. [10]
In the open cerrado of Brazil, mixed-species feeding flocks will react to a white-tailed hawk with almost as much alarm as they do when seeing such dedicated predators of birds as the aplomado falcon. [7] The white-tailed hawk is also known to feed on carrion and to gather with other birds at brushfires to catch small animals fleeing the flames ...
Unlike some birds, but similar to other diurnal raptors, most hawk species are violet-sensitive but cannot perceive ultraviolet light. [11] Hawks also have relatively high visual acuity – the distance at which they can resolve an image – with red-tailed hawks reported to have 16.8 cycles per degree. [12]
The species were placed for some time in the genus Leucopternis, however this genus was found to be polyphyletic. In 2012 the American Ornithologists' Union split Leucopternis, placing the white hawk and its relatives under the old name Pseudastur .
Hawk in flight. With their broad wingspans and sharp talons, hawks are some of the most regal birds in the skies. But beyond their powerful physical qualities, hawks hold deep spiritual meaning ...
The International Ornithological Committee (IOC) recognizes these 265 species of Accipitriformes distributed among four families. Among them is the family Cathartidae (New World vultures) which the American Ornithological Society (AOS), the Clements taxonomy , and BirdLife International 's Handbook of the Birds of the World place in its own ...
The white-breasted hawk (Accipiter chionogaster) is a small hawk found from southern Mexico to Nicaragua.It is usually considered a subspecies of the sharp-shinned hawk by most taxonomists, including the American Ornithological Society, but the taxonomy is far from resolved, with some authorities considering the southern taxa to represent three separate species: white-breasted hawk (A ...
Every morning, from 5 to 9, before thousands of spectators enter and play gets underway, the beloved Harris' hawk flies over the world’s most manicured tennis courts and keeps the pesky nuisance ...