Semipalmated Plovers are very close to Piping Plovers in size and cuteness. They look similar but with different feather colors as you can see in the photos below. I found several dozen of them in the roped off area of the beach at Barnegat Lighthouse, with one or two Piping Plovers running through their midst.
A crucial distinction is that the Semipalmated Plover is not considered endangered, with a population estimated to be about 200,000. There are fewer than 10,000 Piping Plovers.