. "Butastur" . "Accipitridae" . . . "Butastur rufipennis (Sundevall 1851)" . . . "(Sundevall 1851)" . . . . . . . "Butastur rufipennis" . "Aves" . "Falconiformes" . . . "Chordata" . . "Animalia" . "Grasshopper Buzzard" .