Michael Milicia/ BIA / Piping Plover (Charadrius melodus) in broken wing display, Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) stretching, Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) with chick, Massachusetts

Tom Vezo / Piping Plover (Charadrius melodus) sitting on eggs in nest on ground, Long Island, New York

Marie Read / Piping plovers (Charadrius melodus), male approaching female while performing goose-stepping display before copulation, near nest site on beach, northern Massachusetts coast, USA, April.

Marie Read / Piping plovers (Charadrius melodus), male and female copulating near nest site on beach, northern Massachusetts coast, USA. April.

Marie Read / Piping plovers (Charadrius melodus), male and female copulating near nest site on beach, northern Massachusetts coast, USA. April.

Marie Read / Piping Plovers (Charadrius melodus), three during aggressive territorial interaction near nest site on beach in spring, northern Massachusetts coast, USA. April.

Marie Read / Sign warning of restricted access to nesting area of Piping plover (Charadrius melodus) in sand dunes, Nickerson Beach, Long Island, New York, USA, September

Marie Read / Piping Plover (Charadrius melodus), chick running along a beach, Massachusetts coast, USA. June.

Marie Read / Piping plover (Charadrius melodus) brooding chicks, one chick running and trying to get under adult, another chick emerging and running off, Massachusetts, USA, June.

Marie Read / Piping Plover (Charadrius melodus) with pattern of sand and water on a beach, Ipswich, Massachusetts, USA.

Marie Read / Piping Plover (Charadrius melodus) feeding on small invertebrates along shore, Ipswich, Massachusetts, USA

Marie Read / Piping Plover (Charadrius melodus) adult brooding chicks, one chick stretching its wings after being brooded, northern Massachusetts, USA. June. Endangered species.

Marie Read / Piping Plover (Charadrius melodus) brooding three chicks with a fourth approaching, northern Massachusetts, USA.June. Endangered species.

Nick Hawkins / Piping plover (Charadrius melodus) on beach, Nova Scotia, Canada, May.

Nick Hawkins / Piping plover (Charadrius melodus) profile on beach, Nova Scotia, Canada, May.

Nick Hawkins / Piping plover (Charadrius melodus) on beach, Nova Scotia, Canada, May.

Nick Hawkins / Piping plover (Charadrius melodus) tracks in sand, Nova Scotia, Canada, May.

Phil Savoie / Area closed sign, due to nesting birds including Common tern, Least tern, Piping plover, Dennisport, Massachusetts, USA, August.

Paul Hobson / Piping plover (Charadrius melodus) winter plumage, Florida, USA, February.

Ernie Janes / Piping plover (Charadrius melodus) on beach, Florida, USA, March.

Rolf Nussbaumer / Piping Plover (Charadrius melodus), adult walking, Port Aransas, Mustang Island, Texas Coast, USA, September.

Ernie Janes / Piping Plover (Charadrius melodus) on shore, UK

Guy Edwardes / Piping plover (Charadrius melodus) pulling prey from sand, Fort De Soto, Florida, USA, March

Jerry Monkman / Piping plover {Charadrius melodus} Long Beach, Stratford, Connecticut, USA. Adjacent to the Great Meadows Unit of McKinney National Wildlife Refuge.

Jerry Monkman / Piping plover nest {Charadrius melodus} with four eggs on sand, Long Beach, Stratford, Connecticut, USA. Adjacent to the Great Meadows Unit of McKinney National Wildlife Refuge.

Jerry Monkman / Enclosure to protect nest of Piping plover {Charadrius melodus} at the Shifting Lots Preserve, Plymouth, Massachusetts, USA. Owned by the Wildlands Trust. Cape Cod Bay. Near Ellisville Harbor State Pa...

Jerry Monkman / Volunteers build an "exclosure" for a Piping plover nest {Charadrius melodus} on the beach at Griswold Point in Old Lyme, Connecticut, USA

Jerry Monkman / Four eggs in nest of Piping plover {Charadrius melodus} on the beach at Griswold Point, Old Lyme, Connecticut, USA

Shattil & Rozinski / Piping plover {Charadrius melodus} Nebraska, USA

Shattil & Rozinski / Piping plover {Charadrius melodus} with eggs at nest, Nebraska, USA

Tom Vezo / Piping plover (Charadrius melodus) on beach, Long Island, NY, USA

Tom Vezo / Piping plover (Charadrius melodus) on beach, Long Island, NY, USA

Tom Vezo / Piping plover (Charadrius melodus) on shoreline, Long Island, NY, USA

Tom Vezo / Piping plover (Charadrius melodus) chick on shoreline, Long Island, NY, USA

Tom Vezo / Piping plover (Charadrius melodus) standing over nest with four eggs, Long Island, NY, USA

Tom Vezo / Piping plover (Charadrius melodus) on nest, Long Island, NY, USA

Barry Mansell / Piping plover {Charadrius melodus} Florida, USA.

Tom Vezo / Piping plover (Charadrius melodus) incubating eggs on nest Long Island, NY, USA

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) running on beach, Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus), Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) parent sheltering chicks, Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) parent sheltering chicks, Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) chick on beach, Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus), Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus), Massachusetts

Michael Milicia/ BIA / Piping Plover (Charadrius melodus) calling, Massachusetts