14 Aug 2014.
Bradford Dam, Bucks Co, PA.
Found in muddy spots around the lake.
These photos are all of the same bird. They were taken in burst mode with only 0.1 sec between images.
Charadriiformes is a diverse order of small to medium-large birds. It includes about 350 species and has members in all parts of the world. Most Charadriiformes live near water and eat invertebrates or other small animals; however, some are pelagic (sea birds), some occupy deserts and a few are found in thick forest.