Ferruginous Hawk, Ferruginous Hawks, Buteo regalis, hawk, hawks, accipitridae, bird, birds, raptor, raptors, fauna, wildlife, predator, predators, avian predator, avian predators, carnivore, carnivorous, carnivores, prairie, prairies, grassland, grasslands, North America, Kitchin, Hurst, captive, Horizontal