What mention is made of the swans and crow in the early part of tail? in what way do they serve to illustrate a point in romeo and Juliet

What mention is made of the swans and crow in the early part of tail?

1.	What mention is made of the swans and crow in the early part of tail? in what way do they serve to illustrate a point in romeo and Juliet
Answer» means Romeo PERSUADED to go to the ball in the disguise of a MASK so that he might see his ROSALINE but Benvolio wants Romeo to COMPARE her with some choice beauties of Verona and make him think his swan a CROW.