A young calf sticks close to its mother as they mill around the outskirts of a buffalo wallow at Blue Mounds State Park near Luverne, Minn. on Tuesday, July 24, 2012. State conservationists now want to use the herd to help build genetic diversity, creating healthier North American bison, and someday to bring the native giants to more state parks - where experts say they once lived. This could make Minnesota pivotal in conserving an animal that was near extinction, said Craig Beckman, park manager at Blue Mounds. Associated Press
Read the article: Conservationists at work on Minnesota bison genetics
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