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The Hawaiian hawk or ʻio (Buteo solitarius) is a raptor in the genus Buteo endemic to Hawaiʻi, currently restricted to the Big Island.The ʻio is one of two extant birds of prey that are native to Hawaiʻi, the other being the pueo (Hawaiian short-eared owl) and fossil evidence indicates that it inhabited the island of Hawaiʻi, Molokaʻi, Oʻahu, Maui and Kauaʻi at one time. [3]
This sexual difference in size is most pronounced in active species that hunt birds, such as the Accipiter hawks, in which the size difference averages 25–50%. In a majority of species, such as generalist hunters and rodent -, reptile -, fish -, and insect -hunting specialists, the dimorphism is less, usually between a 5% to 30% size difference.
Flores hawk-eagle: Accipitridae: Nisaetus floris (Hartert, EJO, 1898) 73 Mountain hawk-eagle: Accipitridae: Nisaetus nipalensis Hodgson, 1836: 74 Legge's hawk-eagle: Accipitridae: Nisaetus kelaarti (Legge, 1878) 75 Blyth's hawk-eagle: Accipitridae: Nisaetus alboniger Blyth, 1845: 76 Javan hawk-eagle: Accipitridae: Nisaetus bartelsi (Stresemann ...
Buteo is a genus of medium to fairly large, wide-ranging raptors with a robust body and broad wings. In the Old World, members of this genus are called "buzzards", but "hawk" is used in the New World (Etymology: Buteo is the Latin name of the common buzzard [1]).
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The sexes have conspicuously different sizes and sometimes a female is more than twice as heavy as her mate. This sexual dimorphism is sometimes most extreme in specialized bird-eaters, such as the Accipiter hawks. Monogamy is the general rule, although an alternative mate is often selected if one dies.
To confuse things further, some authors use "hawk" generally for any small to medium Accipitrid that is not an eagle. [3] A Red-tailed hawk (Buteo jamaicensis), a member of the Buteo group. The common names of some birds include the term "hawk", reflecting traditional usage rather than taxonomy.
The ferruginous hawk is a well-regarded falconry bird, though not recommended for beginners due to its large size, power, and aggressive personality. [45] For the experienced falconer it offers an opportunity to experience the nearest equivalent to hunting with the golden eagle with much lower risk of injury to the falconer by the hawk.