An adult piping plover pulls a worm from the mud and sand at low tide on Revere Beach. Today, the highest number of piping plovers is living on Massachusetts' shoreline. The species was declared threatened in 1985.
An adult piping plover pulls a worm from the mud and sand at low tide on Revere Beach. Today, the highest number of piping plovers is living on Massachusetts' shoreline. The species was declared threatened in 1985.
(Globe Staff Photo / Mark Wilson)