Bob meets Ranger Toni at the Ding Darling National Wildlife Refuge. She talks about the amazing system of wildlife refuges that are all over the United States. Related: Through the Eyes of Nature Guys (http://natureguys.org/travel/) Our sources for this episode include: J.N. Ding Darling National Wildlife Refuge https://www.fws.gov/refuge/jn_ding_darling/ National Wildlife Refuge System https://www.fws.gov/refuges/