I know I shouldn't like them - but they are so funny hopping around the horses - they eat the bugs that they stir up in the grass. The males are so territorial - you think Roos are bad for fighting? those little beasts are nuts! They fight like crazy! Then once all the breeding season is done they all get along fine - crazy birds!Ah! Other way around from the grackles: black head, brownish body. That may be why the unofficial name gets used!
FYI - just looking at Cowbirds VS Grackles and there is a Bronzed Cowbird that looks just like a Grackle!
These are the Cowbirds I have:
Grackle around my area:
Bird Tax