JN Darling National Wildlife Refuge 
1 Wildlife Dr.
Sanibel, FL 33957
239-472-1100
http://www.fws.gov/refuge/jn_ding_darling/
Wildlife Refuge: Bike, Birding, Fish, Hike, Picnic, Walk, Water Sports
The refuge has a large diversity of species. Approximately 238 bird species have been identified utilizing refuge habitats, as well as 51 species of reptiles and amphibians and 32 species of mammals.