Them to coexist. reporter: ranchers fear that the initial relocation is just the beginning and with good reason. big national conservation groups are raising money and buying land from ranchers in hopes of creating a 3 1/2 million acre wildlife reserve, loaded with buffalo and other animals, sort of a north american seregetti. bison are classified as livestock but the pure buffalo could be labeled a protected species and that could have far reaching combat on ranchers competing for the same prime grazing land, so a group sued. where does it stop, how widely are the bison going to spread, how much damage will they cause and what will be our forum for our interests to be protected? reporter: opponents got a judge to temporarily block future bison relocations until these issues can be worked out in court. jenna: we ll continue to wait and watch for more, dan, thank you very much, dan springer in seattle today. jon: as the supreme court weighs president obama s health care law, the w