野牛, 水牛, 公牛, 动物, 草原, 美国, 野生, 自然, 怀俄明州, 图标, 哺乳动物, 野生动物, 野牛, 野牛, 野牛, 野牛。图片来自 Pixabay The American Bison, often referred to simply as the buffalo, is one of North America’s most iconic animals. These ...