The first picture of of what I believe is a Vireo, but I can't find any exact matches in my Sibley Guide or in images online. The closest match I found is a White-eyed Vireo. None of the pictures or drawings I've seen have the yellow marking on the crown.
Here's one of a Chickadee who was pretty animated hanging from this branch:
Here's a few of a Tufted Titmouse:Can't wait to get out there again! Each time I learn a little more about using my camera and timing in catching birds.