Heard two calls; got three quick images (none of the three that good) - not sure which thrush this is. Had a black spotted throat and light colored legs.
Very sparse of breast streaks; upper parts nearly the same shade of brown. Lower throat was tan with darker streaks.
Had a slight eye-ring - not too visible.
Image taken on Limberlost Trail loop in dark thickly wooded area.
I'm leaning to Veery or Gray-cheeked - - and I'm going with immature as well. See 'next' two images for a closer look.