Claudia, nice selection of birds you have visiting your backyard! The male cardinal is so vivid; love the little junco and oh my the Bluebird is adorable. I'd love to see the Eastern Bluebird here but I've only spotted one once and that was quite a few years ago.
Glen, those have got to be the prettiest Gulls I've ever seen!
Cat, I think y'all have quite a few different types of sparrows in Indiana but that larger bird may be a female Red-winged Blackbird. We get quite a few Red-winged BB's here from winter until about May and the female looks totally different than the male. This is a photo of a female from earlier this year:
