周围最大的美洲野牛(The largest American bison around)

在加拿大西北地区的一片树林中出现了一头美洲野牛，它是美洲野牛两个亚种中较大的一种。平原野牛是另一种。北美野牛曾有数万头，在加拿大西北部和阿拉斯加部分地区寒冷的北方森林和开阔草地上游荡。但到了20世纪初，这些雄伟的动物，就像它们在南方的表亲一样，由于狩猎、疾病和栖息地的丧失，几乎灭绝了。
原文：
Emerging from a stand of trees in the Northwest Territories of Canada comes a wood bison, the larger of the two subspecies of the American bison. The plains bison is the other type. The wood bison once numbered in the tens of thousands, roaming the chilly boreal forests and open meadows in northwestern Canada and parts of Alaska. But by the early 1900s, these majestic animals, as with their cousins to the south, were driven almost to extinction by hunting, disease, and habitat loss.
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