CLOSED: Female Cowbird?

I often can tell when a female Cowbird is accompanied by its male counterpart whose head is brown. But when she's by herself, especially Cowbirds rarely came to the feeder near the window. Is this one sharing the seeds with a male House Finch? Thanks.

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Last one;

Yep!

Resin

Thanks Resin. Now I know the rest of the story... :)