The only small, plain, greyish wader with an obviously decurved bill. In flight it has a squarish white rump, variably scalloped with pale grey.
In breeding plumage the rump becomes blotched and the underparts and face rufous; male is brighter than female. Juvenile has buffy edgings to the mantle feathers.
Coastal and freshwater wetlands, usually in flocks.
a short trill, 'chirrup'..