Ferruginous Hawk

About the Ferruginous Hawk

Also known as: Ferrugineous Rough-leg, Ferruginous Buzzard, Rusty Squirrel Hawk

The Ferruginous Hawk is a large type of buteo hawk that lives across western parts of North America. They prefer open country - prairies, open plains, badlands, and grasslands.

These large, powerful birds eat a variety of prey animals, including ground squirrels, muskrats, prairie dogs, and jackrabbits. Their large yellow gape (mouth width) is apparent and allows Ferruginous Hawks to swallow large prey whole!

Ferruginous Hawks use a variety of nest sites, including trees, rocky outcrops, artificial nest platforms, the rocky ground, or even haystacks! Usually three or four eggs are laid. Male offspring fledge up to 10 days before female chicks.

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Details & Statistics

Added to Birdorable
Hatched on 27 July 2012
Scientific Name
Buteo regalis
  • Accipitriformes
  • Accipitridae
  • Buteo
  • B. regalis
Birdorable Family
Conservation Status
Least Concern (as of 7 April 2020)
  • Least Concern (LC)
  • Near Threatened (NT)
  • Vulnerable (VU)
  • Endangered (EN)
  • Critically Endangered (CR)
  • Extinct in the Wild (EW)
  • Extinct (EX)
Source: IUCN Red List
Units: Imperial / Metric
22 to 27 inches
52 to 56 inches
34.5 to 73 ounces

International Names

Chinese (汉语) 王鵟
Czech (Cesky) káně královská
Danish (Dansk) Kongevåge
Dutch (Nederlands) Rosse Ruigpootbuizerd
Finnish (Suomi) kuningashiirihaukka
French (Français) Buse rouilleuse
German (Deutsch) Königsbussard
Italian (Italiano) poiana ferruginosa
Japanese (日本語) アカケアシノスリ [akakeashinosuri]
Norwegian (Norsk) Kongevåk
Polish (Polski) myszolów królewski
Russian (русский язык) Королевский канюк
Spanish (Español) Busardo Herrumbroso
Swedish (Svenska) Kungsvråk
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Bonanza Bird #18: Ferruginous Hawk

Today a beautiful bird of prey from the American west joins Birdorable: the Ferruginous Hawk! Ferruginous Hawks are the largest species of hawk found in North America. They are even sometimes mistaken for ... more