Become charismatic megafauna in this Adult Tiger Costume. What? You don't know what "charismatic megafauna" is? Well, yes, you do. You just may not have heard it called by that term. Charismatic megafauna are species of large animals that have popular appeal and are used by wildlife conservation biologists as a focus for publicity and fund-raising. Other examples besides the tiger are giant pandas, elephants, humpback whales, and California condors. Save the Whales. Save the Pandas. Save the Tigers. Save the,,, you get the picture.