bison, 野牛

Around 1,000 bison reside in Grand Teton National Park (pictured) in Wyoming, said the National Parks Service
Stunning black-and-white photos capture the beauty of America's greatest landscapes | Daily Mail Online
Read more: http://www.dailymail.co.uk/travel/travel_news/article-3718136/The-Wild-West-like-ve-never-seen-Stunning-black-white-photos-capture-beauty-America-s-greatest-landscapes.html#ixzz4GIzvtQQY
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Bison - Wikipedia, the free encyclopedia

美洲野牛屬，學名Bison，原共有六種，但只有兩種現存的野牛：美洲野牛和歐洲野牛。