natural selection http://iowapublicradio.org en Bison Roundup at the Neal Smith Wildlife Refuge http://iowapublicradio.org/post/bison-roundup-neal-smith-wildlife-refuge <p>The U.S. Fish and Wildlife Service (FWS) manages almost 1,400 bison spread out amongst seven herds located in Iowa, Colorado, Oklahoma, Montana, Nebraska and North Dakota.&nbsp; About 70 of these bison live at the Neal Smith Wildlife Refuge in Prairie City.</p><p>FWS aims to preserve the species genetic diversity with as little human intervention as possible by allowing the forces of natural selection determine which bison live and die.&nbsp; However, because herds are isolated from each other the agency conducts genetic testing to prevent inbreeding.</p> Thu, 14 Nov 2013 16:53:00 +0000 Sarah Boden 32120 at http://iowapublicradio.org Bison Roundup at the Neal Smith Wildlife Refuge