Kamie (7 Jan 2011)
"other info on blackbirds"


 
I also came across this as the meaning behind blackbirds when I googled it:

Blackbird is a pretty generic term.
Crow is seen by some Native Americans as the left-handed guardian and keeper of
the sacred law.

Raven is interpreted as the symbol of magic. Or others see him as the trickster
and the mischievous one.

Associated with battlefields and death they can also symbolise altered
states.Kamie


Read more:
http://wiki.answers.com/Q/What_is_the_spiritual_meaning_of_a_black_bird#ixzz1AKLlXSPd