If the bird is singing, happiness and the need to be more casual. Points to the carefree life of birds: they neither sow nor reap.
Folklore: A bad omen.
What Does Blackbird Mean In Dream?
Encyclopedia of Dreams
If your dream is of a blackbird flying, and singing, then you will meet with good fortune.
To dream that you are eating this blackbird is an indication that there is someone you need to apologize to, ‘eat crow’.... Encyclopedia of Dreams
New American Dream Dictionary
2. Good fortune (especially if it is ﬂying). ... New American Dream Dictionary
Islamic Dream Interpretation
A blackbird also represents a well spoken and a good looking son.... Islamic Dream Interpretation
Ten Thousand Dream Dictionary
Gypsy Dream Dictionary
Dream Symbols and Analysis
To see a flying blackbird in your dream means that you will experience prosperity or good luck.... Dream Symbols and Analysis
Mystic Dream Book
Dream Meanings of Versatile
The Fabric of Dream