World Bird List

Species factsheet
Red-shouldered Hawk (Buteo lineatus)

Order: Buteo lineatus
Family: Kites, Hawks, Eagles (Accipitridae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
lineatus e North America
alleni sc Texas to North Carolina and n Florida (USA)
extimus s Florida and the Florida Keys (USA)
texanus s Texas (USA) to se Mexico
elegans s Oregon (USA) to Baja California (Mexico)