The most beautiful butterfly in the world (Urbanus proteus)

What is the butterfly more beautiful, lovely and cute Worldwide , undoubtedly guilty of opinion that answer, however will approach one photo a beautiful butterfly that undoubtedly compete for the title of the most beautiful butterfly world .
We talked about the butterfly species Urbanus proteus , located in the subtropical zone of South America, southern Argentina and southern United States. 
Measures of 4-6 cm and has two singular similar to that of certain species of birds and fascinating colors that you can see in the queues photo that approach below.