Passerines - itsaboutnature.net

Common Grackle (Quiscalus quiscula)

Common Grackle fledgling in foreground, parent looking on.

Here are two quick and comprehensive references:

http://animaldiversity.ummz.umich.edu/accounts/Quiscalus_quiscula/

http://en.wikipedia.org/wiki/Common_grackle