Which of the following statements is a central idea of the text, rather than a detail?

- The importance of protecting endangered species

- The specific actions taken by a local conservation group to save a particular species
- The history of wildlife conservation efforts in a specific region

The central idea of the text would likely be "The importance of protecting endangered species." This is a broad theme that the text is likely discussing in-depth, whereas the other statements are more specific details or examples related to this central idea.