This is the first of there I've been able to photograph. I don't get them at my home, this one was at the Dallas Arboretum. They are much more shiny and iridescent than the great-tail grackles.
Common Grackle (Quiscalus quiscula)
Quiscalus quisculacommon gracklegrackledallas texasdallas arboretumiridescentshinyshimmer