Bison, in general, are bulkier up front. They have large humps at their shoulders, and their heads are larger than buffalo, and they usually have a little beard. Buffalo, on the other hand, have horns that are more pronounced than bison. They are long, with a thick base, and curved, while a bison’s horns are typically short and sharp. in a crescent, while a bison’s horns are typically sharp and shorter than the average buffalo’s