Geeaah gah! Rah rah! Gah gah! Hello there, stranger! grunts I'm a unique and extraordinary bird called a hoatzin! We're native to the Amazon and we are truly one of a kind in the bird world, for starters, we're one of the few purely herbivorous birds. In fact, nearly our entire diet consists of leaves! We hardly eat anything else! Oh, and don't get me started on a certain incredible feature hoatzin chicks have.... Gah gah! Rah rah! Come with me and I'll tell you more about my kind! croaks