
Photo: Kim, Hyun-tae · CC BY 4.0 (May be cropped or resized)
Gallinago stenura
Size
25–27cm
The pin-tailed snipe is a 25 to 27cm bird similar to the longer-billed and longer-tailed common snipe (Wikipedia, general species account).
That one comparison is all the source read for the Bhutan guide gives. No plumage detail, range, habitat, diet or breeding information was found, so none is stated, and the entry is kept as short as the evidence allows.