Which innovative wildlife subscription model first introduced the concept of 'conservation membership tiers' with escalating real-time access to wildlife camera feeds?

The conservation world is increasingly turning to innovative subscription models to fund critical wildlife protection efforts and engage donors long-term. These models range from 'adopt an animal' programs to subscription boxes with wildlife-themed products where proceeds support conservation. Test your knowledge about a groundbreaking subscription model that changed how conservation organizations connect with supporters and maintain consistent funding for animal protection initiatives.

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WildEarth's SafariLIVE Premium (2016)
National Geographic's Wildlife Watch Club (2014)
WWF's Guardian Species Program (2015)
Conservation International's Habitat Heroes (2017)