The red tailed hawk is a bird of the family Falconidae in the order Falconiformes. Its body is robust, with wide and round wings, and a red and broad tail. The red tailed pheasant is one of the largest members of birds, with a body length of 45-56 centimeters and a weight of 690-1300 grams. The red tailed pheasant has a very obvious male female dimorphism in terms of body size, with females being 25% larger than males. The upper beak of the red tailed pheasant has an arc-shaped protrusion at the edge, which is suitable for tearing prey and swallowing; The base has wax film or whisker like feathers; Strong wings, wide, round and dull wings, fan-shaped and soaring flight, fan-shaped rhythm slower than falcons; The tarsal region is relatively long, approximately equal to the length of the tibia. The iris of young birds is light yellow, and as adults, the color gradually darkens to bird reddish brown.