The Marsh Sandpiper, ''Tringa stagnatilis'', is a small wader. It is a rather small shank, and breeds in open grassy steppe and taiga wetlands from easternmost Europe to central Asia.
It resembles a small elegant Greenshank, with a long fine bill and very long yellowish legs. Like the Greenshank, it is greyish brown in breeding plumage, paler in winter, and has a white wedge up its back that is visible in flight. However, it is more closely related to the Common Redshank and the Wood.. more