Ashley and I flushed a YELLOW RAIL from an upland prairie area at Hendrickson Marsh here in Story County. We were only able to flush it once, however.
Then later in the morning, we ended up with 8 warbler species at Emma McCarthy Lee Park in Ames. They were:
Golden-winged Warbler (2)
Black-throated Green Warbler
Here is one of the 2 Golden-winged Warblers: