The Scolopacidae (more traditionally known as the 鹬科 ) 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.