What is the largest hawk in the world?

About the Ferruginous Hawk. Name: Ferruginous Hawk, Buteo regalis. Family: Hawk family Accipitridae (ak-sip-IH-try-dee), from the Latin accipiter meaning "hawk or bird of prey." Genus: Buteo (BEW-tee-oh), which is from a Latin word meaning falcon or hawk. read more

The ferruginous hawk, Buteo regalis, is a large bird of prey and belongs to the broad-winged buteo hawks. An old colloquial name is ferrugineous rough-leg, due to its similarity to the closely related rough-legged hawk. This species is a large, broad-winged hawk of the open, arid grasslands, prairie and shrub steppe country; it is endemic to the interior parts of North America. It is used as a falconry bird in its native rangers also high above land. read more

The Ferruginous Hawk is the largest hawk in North America with a 52 – 56 inch wingspan. They are 22 – 27 inches long and can weigh over 4 pounds! The sexes are alike and, as with most raptors, the female is larger than the male. read more

The Red-Tailed Hawk is the largest hawk getting 28 inches long and a over 5 foot wingspan. Red-Tailes can get to 5.5 pounds in weight. read more