Answer by  
                                                                                          JimM (13)
                                                            
                          
                          
                                                          Some cultures have assumed that the appearance of a bird, especially an unusual or majestic bird, to be an omen.  In ancient greco-roman culture, the appearance of significant birds often symbolized a message from the gods.  A bird flying into a house might suggest a god's attention.  However, this is simply mythological.