Red-shouldered Hawk (Buteo lineatus) [XC361769]
by Paul Marvin from Fort Drum Conservation Area, Okeechobee County, Florida, United States (call)
Red-shouldered Hawk (Buteo lineatus) [XC691446]
by Bill Grantham from Miami Whitewater Forest Park wetlands, Crosby Township (near Harrison), Hamilton County, Ohio, United States (call)
Subspecies
Sometimes placed in Asturina. Apparently close to Ridgway's Hawk (Buteo ridgwayi), Roadside Hawk (Rupornis magnirostris) and, to a lesser extent, Grey-lined Hawk (Buteo nitidus).
The following 5 subspecies are recognised:
elegans Cassin, 1855 - Southern Oregon (north-western USA) to northern Baja California (Mexico).
lineatus (Gmelin, 1788) - Eastern North America, from southern Canada to central USA.