We have had quite a few Red Cardinals around our house and my wife loves to watch them and feed them. We did have one that my wife thought was partially blind. It would approach the bird feeders with wings flapping like a humming bird, very slowly, as not to fly into anything. My wife would stand near and nearer to the bird feeders when that bird was near and talk to it. She eventually got to touch the blind bird.
But then we went away for several days and there wasn’t anyone here to feed them,the bird never came back. We were very sad.
I’m telling you this story because there is a house not far from us that always has buzzards flying around it, setting on the chimney or on the tree at the back of the house.