小野牛

例句：

1. 1. The herd of bison roams across the vast grasslands.
   一群野牛在广阔的草原上漫游。
2. 2. The bison's distinctive hump is a key to its identification.
   野牛的标志性驼峰是其识别的关键。
3. 3. The bison is an important food source for many Native American tribes.
   野牛是许多美洲原住民部落的重要食物来源。