| forwolves.org | Ralph Maughan's Wildlife Reports |
| csustan.edu | Endangered Species Recovery Program |
| heartwood.org | Heartwood |
| fb-net.org | Farm Bill Network |
| discovernlcs.org | National Landscape Conservation System |
| defenders.org | Defenders of Wildlife - Protection of endangered species, imperiled species, hab |
| redlist.org | 2000 IUCN Red List of Threatened Species |
| earthisland.org | Earth Island Institute: Innovative Action for the Environment |
| californiawildlifefoundation.org | California Wildlife Foundation |
| rmef.org | Rocky Mountain Elk Foundation |
United States , California , Poway