lpaul

The photos look like a better fit for Pale-legged/Sakhalin Leaf Warbler, with whitish legs, feet and claws, and clean white underparts.  It would also be getting late for a Jungle-flycatcher.

lpaul

OK, so not a PLLW or SLW, but the lack of blue on the tail does not eliminate Siberian Blue Robin as females, especially first-winters can show brown rather than blue tails.