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Ferruginous Hawk (Buteo regalis)

Ferruginous Hawk (Buteo regalis)

Ferruginous Hawk (Buteo regalis)

Class: Aves
Family: Acciptridae
Common Name: Ferruginous Hawk
Genus: Buteo
Species Name: regalis

About The Ferruginous Hawk

Ferruginous Hawks are usually between 50-66cm (20-26 in.) in length, have an average wingspan of 134-152cm (53-60 in.) and weigh 980-2030g (2.2-4.5 lb.). They are the largest hawks in North America, and are sexually dimorphic. The female hawk may be up to one-and-a half times larger than the male. "Ferruginous" is derived from the Latin Ferrugo, meaning, "rust", which is the predominant color of this hawk. Adults have a rusty color on their back and shoulders, which extends downward onto the legs. The under-part is a whitish color spotted with rufous. A view of the bird in flight will show that the leg feathers form a V shape against the belly of the hawk. When perched, the gray tips of the hawk's long and broad wings often reach the tip of their white, rust, and gray colored tail. Juvenile Ferruginous Hawks lack the rust colored legs and have less color on their backs (Malik 1987; Clark 1987).

Range mass: 980 to 2030 g.

Other Physical Features: endothermic ; bilateral symmetry

Rights Holder: The Regents of the University of Michigan and its licensors
Bibliographic Citation: Rogers, K. 2002. "Buteo regalis" (On-line), Animal Diversity Web. Accessed April 27, 2013 at Citation Link

Trips Where Observed

Moving the Car

Member Lifelists

North America
United States

Sites Where Observed


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