Why did Viceroy butterfiles copy the Monarchs? Viceroy butterflies taste good to birds whereas, Monarchs don’t. So the more they look like Monarchs, the less likely it is that Viceroys would become bird’s dinner because the Viceroys protect themselves from the birds by copying the Monarchs. Related posts: Explain the Effects of ‘Worldwide Economic Depression’ on India, Towards Late 1920s. What factors should be considered while selecting advertising media? What are the elements of advertising copy? How did Anne regard her diary and what name did she give to it?