The correct option is
A Giant Panda
The World Wide Fund for Nature (WWF) is an international non-governmental organization founded in 1961, which works for wilderness preservation and the reduction of destructive human impact on the environment. Also named as World Wildlife Fund, which is its official name in Canada and the United States till date. The logo has a symbol of the Giant Panda. The logo tries to focus the attention of people towards saving Giant Panda.
So, the correct answer is 'Giant Panda'.