Dunlin is a small shorebird with a distinctively curved bill. This bird is also known by several other common names, such as red-backed sandpiper, plover, sea lark, and ox-bird. Other synonymous terms used for the dunlin bird are the Calidris alpina, red-backed sandpiper, and common sandpiper. The Dunlin bird can be found in a variety of habitats ranging from tidal flats and mudflats to wet and sandy shores. These birds are also migratory and can be seen in different parts of the world. Despite its multiple names, the dunlin remains one of the most recognizable species in its family.