Keywords: Piping Plover, Charadrius melodus, endangered specie, North America, USA, United States, New England, northeast, Maine, Ogunquit, Ogunquit Beach, bird, birding, nature, wildlife, outdoors, photography, Maine coast, coast, beach, shore bird, plover, attack, defend, York County, orange legs, brown neck band, stout bill, interloper, border war, defense, territory, fighting plovers, piping plovers fighting