American Buffalo Skull for Sale, bison bison,  also referred to a bison skull, with an approximate 23-1/2 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. Will have black bug casings from the skull cleaning beetles remaining in the skull that will fall out when skull is shook.  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.