S. 2908 aims to support Tribal governments in managing buffalo and buffalo habitats, and restoring buffalo populations on Indian land. It recognizes the cultural, spiritual, and economic significance of buffalo to Indian Tribes and sets up a permanent program for this purpose...
Simple Explanation
The bill helps Native American Tribes take care of buffalo and their homes on Tribal land with money and support from the government, because buffalo are very special to them. It gives them a way to have more buffalo on their land by moving some from federal lands.