The male Purple Finch is slinging a lot more reddish color than the male House Finch.
Purple Finch in the background.
House Finch in the foreground.
Purple Finch, then a House Finch.
My father once shared a hospital room with a Sparrow. No, not this House Sparrow. It was a man named Sparrow. A Batt and a Sparrow. My father was uncomplaining, but the Sparrow chirped a lot.
A Brown-headed Cowbird without a cow.