Pectoral Sandpiper Nest
Calidris melanotos

f22 @ 1/200s, ISO:200, Nikon D300S w 17-55mm @ 55mm

"Pectoral Sandpiper," Wikipedia, the free encyclopedia. Its nest, a hole scraped in the ground and with a thick lining, is deep enough to protect its four eggs from the cool breezes of its breeding grounds.
Cambridge Bay, Nunavut, Canada