Least Sandpiper
Calidris minutilla

f6.7 @ 1/2000s, ISO:800, Nikon D3S w 500mm and 1.7X teleconverter

"Least Sandpiper," Wikipedia, the free encyclopedia. The least sandpiper is the smallest shorebird. This species has greenish legs and a short, thin, dark bill. Breeding adults are brown with dark brown streaks on top and white underneath. They have a light line above the eye and a dark crown. In winter, Least sandpipers are grey above. The juveniles are brightly patterned above with rufous coloration and white mantle stripes.
Black Beach, West Falmouth, Massachusetts