I finally had a good, clear chance at a picture of an indigo bunting. I took a bunch and only one really turned out reasonably well.
Even this picture is a little bit dark, but it is a pretty good look at the fellow - and they are sort of dark.
I was going to get a slightly brighter picture, as you can see from the color of the bird. At least I thought I was. Instead, I got photobombed by a prankster gray squirrel.