Dunlins (Charadriiformes: Scolopacidae: Calidris alpina) are relatively common wading birds found along coastal areas of the northern hemisphere. In North America they spend their winters along the Atlantic and Pacific coasts, often foraging in large groups along tidal mudflats and beaches.
These shorebirds feed on a variety of small animals including insects, crustaceans, mollusks, worms, and fish. They spend a great deal of time walking up and down the edge of the water probing the ground with their long, narrow bills in search of these prey items.
In the summer Dunlins migrate north above the Arctic Circle to breed. They nest on the ground with both parents providing incubation for the eggs. The young can fly within three weeks of hatching, ready for the long flight southward for the winter.