Which innovative brand strategy did the World Wildlife Fund (WWF) pioneer that allows supporters to 'adopt' endangered animals symbolically?

Test your knowledge about innovative brand strategies in the animal conservation sector! Major wildlife organizations have developed unique approaches to build awareness and drive support for endangered species and habitats. This question focuses on a groundbreaking sustainability-focused brand strategy that revolutionized wildlife conservation fundraising and public engagement. Can you identify the correct initiative among these similar-sounding but distinct campaigns?

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Species Sponsorship Program - where corporate donors receive naming rights to newly discovered species
Wildlife Guardian Initiative - where supporters receive monthly updates about specific animal populations they fund
Species Adoption Program - where individuals receive a stuffed animal and certificate for donating to protect a specific species
Animal Ambassador Platform - where donors can vote on conservation priorities for their 'adopted' species' habitat