Columbiformes are orders of birds includes the very widespread and successful doves and pigeons , classified in the family Columbidae , and the extinct Dodo and the Rodrigues Solitaire , long classified as a second family Raphidae . Columbiformes are an avian order that includes the very widespread and successful doves and pigeons , classified in the family Columbidae , and the extinct Dodo and the Rodrigues Solitaire , long classified as a second family Raphidae .