Bird carrying dried grass to build nest. Nest under construction was small cup about three inches deep and four across. In a small, scraggly bush (Ludwigia octavalis) about 40 inches high. Bush was part of a 'thicket' of plants in the middle of a sports filed. The round 'thicket' was only about 40 inches high and twelve feet across. Another, old nest was found on the other side of the thicket.