I'm just so excited I saw this out of the corner of my eye with camera in hand!!
It's a tiny little thing, but could it be a Fledgling Indigo Bunting?
CLOSED: Fledgling Indigo Bunting?
That's an adult male . . . the fledgelings (and adult females) are drab brown.
Thanks so much, Resin. I guess it's the suet I just put out that attracted him. They are very pretty birds!