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In the early 1800s, about 10 million (10,000,000) bison roamed North America.
Today, humans protect and manage the remaining wild Yellowstone herd of 3,000.
Bison Bellow
Yellowstone National Park
Donald Verger | 05-Nov-2009 01:56 | |
coaster | 04-Nov-2009 05:44 | |
Guest | 01-Nov-2009 02:17 | |
Monique Trempe | 30-Oct-2009 16:07 | |
Phil Douglis | 29-Oct-2009 00:21 | |
Iris Maybloom (irislm) | 28-Oct-2009 19:57 | |