Thanks, Mike. Well I’m glad you pointed this out. I see now that this isn’t a bluebird at all. When I first saw it on the feeder I thought it was bigger than a bluebird but didn’t think much else about it. It turns out that this is a Blue Grosbeak. It has reddish-brown marks on its wings. They’re also a darker blue than the Bluebird and the Bunting.
The Blue Grosbeak has reddish-brown patches on their wings.