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(Tringa stagnatilis), a bird of the family Charadriidae of the suborder Charadrii. The body reaches a length of 23 cm and a weight of 55–85 g. The back is brownish gray, the tail has dark transverse stripes, and the rump and under parts are white. The marsh sandpiper lives in steppes and forest steppes extending from Hungary to the Ob’ River; it is occasionally found in Transbaikalia and Primor’e Krai. The bird winters in East Africa, South Asia, and Australia. It nests in colonies in hummocky marshes. A clutch contains four or, less commonly, three eggs. The birds feed on small aquatic invertebrates.