Which wildlife conservation organization pioneered the use of 'endangered species packaging' that changes as animal populations decline, creating a direct visual link between consumption and conservation?

Many global brands have launched sustainability initiatives to protect endangered species and their habitats. These corporate conservation partnerships often feature innovative product packaging that raises awareness and directly funds wildlife protection efforts. Test your knowledge about how product packaging in the animal conservation space has made a difference for wildlife preservation around the world!

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World Wildlife Fund (WWF) with their 'Packaging that Disappears' campaign for household products
The International Union for Conservation of Nature (IUCN) with their 'Vanishing Species' beverage containers
Wildlife Conservation Society (WCS) with their 'Last of Their Kind' limited edition packaging series
Conservation International with their 'Fading Wildlife' food packaging initiative