Yeah let's go with that. I checked the range map and those little fellas fly from Alaska / Northern Canada down to the Gulf and points south. I hope he makes it.Sort of looks like a Lesser Yellowlegs. https://www.allaboutbirds.org/guide/Lesser_Yellowlegs/id
Many of them change their plumage significantly throughout the year so it's hard to say (to this uneducated novice).