RBS are hard to come by as I have to catch them to put in here, but they seem to do really well
http://bigbluegill.com/photo/redbreast-chunky?context=user

Seeds are typically pretty healthy as well. Few skinny ones that I have left alone, but this year may be different. Your comment about WR kind of hits home as it's something I've thought about across the board
http://bigbluegill.com/photo/20140505-161209-2?context=user