Technically it’s a Yellow-rumped Warbler, AKA Butter Butt.
I tried to get the reed tops and seeds in these shots. The only way was to pull back and not get too close. Small birds look better with space around them.
The marsh waters in the background provided some nice color here.
Taken while walking on a dike. As I walked a bird would lift out of the reeds, fly a few yards, then land back down. Leap frog game.