Which of these famous wildlife conservation brand mascots has been in use for the longest time?

Brand mascots have long been powerful tools for companies to establish memorable identities. In the wildlife conservation space, several organizations have leveraged animal mascots to create instant recognition and emotional connections with their audiences. This trivia question tests your knowledge of iconic wildlife conservation brand mascots and their history. Can you identify which famous animal mascot has been representing its organization the longest?

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

WWF's Giant Panda (introduced in 1961)
National Wildlife Federation's Ranger Rick Raccoon (introduced in 1968)
The Nature Conservancy's Grizzly Bear (introduced in 1951)
Oceana's Blue Whale (introduced in 2001)