It’s a Black-tailed Godwit.
The bill is straight (upturned in Bar-tailed)
The upperparts-feathers that are moulted into winter plumage are plain (with darker streaks in Bar-tailed)
The remaining summer plumage feathers on the breast show a barred appearance (uniform reddish in Bar-tailed)
The supercilium is short (long in Bar-tailed)
The white in the wing is a trace of the obvious white wingbar of Black-tailed (absent in Bar-tailed)
The tibiae is rather long (shorter in Bar-tailed)