Which wildlife conservation organization pioneered the 'adopt an animal' subscription model that has since been copied by dozens of other wildlife groups worldwide?

The world of animal conservation and wildlife products has seen some remarkable marketing campaigns and product innovations. Organizations dedicated to wildlife protection often create unique merchandise and subscription models to fund their conservation efforts. Test your knowledge about some of the most successful wildlife product marketing strategies and memorable animal-focused campaigns!

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World Wildlife Fund (WWF)
The Jane Goodall Institute
National Wildlife Federation
Defenders of Wildlife