A small, portly shorebird with a long, thin bill with a slightly curved tip. It has long, pointed wings, a short tail, and medium-length legs for its size. Females tend to be larger and have longer bills than males. Forages by walking slowly through mudflats and similar habitats and pecking or probing to obtain tiny invertebrate prey.

https://www.allaboutbirds.org/guide/Western_Sandpiper/id