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 white