It's most like the Tanagers in my book (and I checked all three of my books!) and about that size, but the coloring isn't right for either the Hepatic Tanager or the Summer Tanager. Any help would be appreciated! I've not spotted this one again.
He seems to be saying, "What? You're taking more photos?!"
Here's one of my gorgeous zinnias:
Below is the male Pyrrhuloxia. It's a relative of the Cardinal and stays here year round.
They enjoy the birds so much, too!