I looked out upon my deck … and it was interesting. Not one, but two squirrels, each hanging in one of the feeders with a Cardinal in the woods, presumably waiting for those big four-footed fluffies to let go of the feeders. Once the squirrels dig in, they stay dug until they are finished.
So I took as many pictures as I could of the rather distant Cardinal, another of the Cardinal and a squirrel, and the remaining shots all about the two squirrels.
For the purpose of radiant, I don’t think you’ll get any better than this Cardinal on a small branch in the woods.