Bill like that of a Snipe, long, straight, slender; both mandibles broader towards the end and pitted; the upper mandible grooved above near the end, and both mandibles grooved at the side ; nostrils near the base. Wing long and pointed, 1st quill longest, 2nd subequal; tail of moderate length. Tarsus shorter than bill, lower part transversely shielded in front (and in one species, M. griseus, behind); hind toe well developed, anterior toes webbed near base, the web between the outer and middle toes the larger. Summer plumage rufous, winter plumage grey as in Godwits.
Two species are known, one American, the other an occasional winter visitor to India and Burma.