The black bird indicates the obedience of the dreamer. It is also a magical symbol which indicates unseen and undiscovered features of your personality. The blackbird could also be a negative symbol which signifies sadness, sorrow or depression. To understand better your dream you have to pay attention to the emotions you felt during this dream, then you will have an answer to your question.
Blackbird dream meaning
Read more about dreaming of Blackbird in other dream meanings interpretations.