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Bison - Wikipedia, the free encyclopedia
Bison or buffalo are large, even-toed ungulates in the genus Bison within the subfamily Bovinae. Two extant and four extinct species are recognized. Of the four extinct species, three were North American: Bison antiquus, B. latifrons, and B. occidentalis. The fourth, B. priscus, ranged across steppe environments from Western Europe, through Central Asia, and onto North America.
https://en.wikipedia.org/wiki/Bison
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What's the Difference Between Bison and Buffalo? - Mental Floss
On a recent trip out west, I visited Grand Teton and Yellowstone National Parks, where I saw plenty of bison dotting the plains. Or were they buffalo? Is there a difference between the two?
http://mentalfloss.com/article/59248/whats-difference-between-bison-and-buffalo
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Bison - National Wildlife Federation
Learn about the biology, range and behavior of bison.
http://www.nwf.org/Wildlife/Wildlife-Library/Mammals/Bison.aspx
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Buffalo Facts - Animal Facts Encyclopedia
Buffalo facts, photos and videos The buffalo herd is led by a wise matriarch who chooses grazing areas and napping sites
http://www.animalfactsencyclopedia.com/Buffalo-facts.html
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Bison vs. Buffalo: What's the Difference? - Livescience
While noticeable only at close range, there are many differences between bison and buffalo.
http://www.livescience.com/32115-bison-vs-buffalo-whats-the-difference.html
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Bison Bison (American Bison) - IUCN
Find information and population statistics about the American Bison here at IUCN Red List of Threatened Species.
http://www.iucnredlist.org/details/2815/0
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Plains Bison - WWF
Protect endangered species, including the plains bison, at World Wildlife Fund. Learn about the ways WWF works to conserve a future where people live in harmony with nature.
http://www.worldwildlife.org/species/plains-bison
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American Bison - National Geographic
Learn all you wanted to know about American bison with pictures, videos, photos, facts, and news from National Geographic.
http://animals.nationalgeographic.com/animals/mammals/american-bison
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Bison - Defenders of Wildlife
Learn about the size, diet, population, range, behavior and other fascinating facts about bison.
http://www.defenders.org/bison/basic-facts