A small flock of birds that I did not immediately recognize visited my feeders earlier this week. They made themselves at home for part of a day, feasting upon black sunflower seeds. It turns out that they were Brown-headed Cowbirds in the process of molting into their winter plumage, and included some juveniles. I have kept an eye out for them, hoping to get another glimpse, but they have not shown up again.
“The first step towards getting somewhere is to decide that you are not going to stay where you are.” ~Unknown
walking on a country road 
Looks like they’re still molting, too.Not sure of the ID.
It was the first time I have ever seen these birds. I haven’t been able to identify them by searching online.
I’m leaning toward Brown-headed Cowbird, but I’ve never seen them in this phase of molt.
Patti, I think you’re right. The strange colored ones appear to be molting juvenile Brown-headed Cowbirds. Thanks for helping to identify them! I have never seen them in this stage either. The gray color threw me off.