The Scolopacidae (more traditionally known as the 鹬科 Yù kē) consist of the snipe, woodcocks, sandpipers, dowitchers, godwits, stints, curlews, whimbrels, and various similar birds. The main divisions in East Asia are:
Scolopacinae (woodcocks, snipe)
Tringinae (curlews, sandpipers, stints, etc.)
The distribution of the Scolopacidae in East Asia can be seen at Tzung-Su Ding's Distribution of Charadriies in East Asia.