Which wildlife conservation organization pioneered the 'Adopt-a-Species' product model that has since been replicated by conservation groups worldwide?

Conservation organizations are constantly innovating with new product lines to fund their wildlife protection efforts. These products not only raise money but also increase awareness about endangered species and habitat preservation. Test your knowledge about the creative product innovations that have emerged from the wildlife conservation sector in recent years!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

World Wildlife Fund (WWF)
The Nature Conservancy
Defenders of Wildlife
National Audubon Society