One reason to keep the feeders full in the summer is the fun to be had watching the parents of new fledglings bring their young to the "free food - all you can eat".
This young female Rose-breasted Grosbeak was so obnoxiously demanding and aggressive that I suspect it may actually be a young Cowbird.
After looking at several bird identification sources, I give up. I can't tell for certain.
Whatever species, it was not going to feed itself when Mr. Rosy was around to do the honors.
This gawky adolescent Rose-breasted Grosbeak looks like he could use some good nutrition to grow into that beak.
And, this frumpy Cardinal chick is working on growing her adult feathers. Some good sunflower seeds should help.