Putting out the bird feeder after a month away

Arriving back from a month is SA, we had a great time as we crossed the country. In particular the lake area at the TN-NC border - i have some photographs but they still need some work so i'll post them later.

The bird feeder hadn't been out for that time and i put it out the day after we returned knowing it'd take a while for the birds to find it again.

Lo, one of the first birds to show up was one i'd not seen before:

Rose-breasted Grosbeak, not a common bird in our area.

and

Indigo Bunting, also not so common in this area

A couple days ago we took a walk around Beaver Lake Dam, a lake on the outskirts of Asheville. A little more then a mile in circumstances, it is a wonderful walk and filled with birds, turtles and many other small animals. Here are a few:

Killdeer

i don't know what this is - do you?

nor do i know what this is - do you?

notice it is banded

As you can read i'm very much a beginner when it comes to IDing birds; all help will be greatly appreciated.