American Buffalo Skull for Sale, bison bison,  also referred to a bison skull, with an approximate 24 inches wide horn spread.  Some horns are fairly straight, while others have a curve. The skull is approximately 20 inches long. This skull has a strong odor. There is a hole in the top of the skull and it has discoloration, as it has not been whitened.  Review all photos. This is a real bison (buffalo) skull with horns - not a replica.  It will have natural imperfections caused by the animal living in the wild.