Over the past three years, field biologists from the Conserve Wildlife Foundation of New Jersey had kept an eye on an island that formed just off the coast of New Jersey, on the southern edge of Little Egg Inlet. Through their scopes and binoculars, the biologists found this “sandbar,” located about 1,000 feet offshore of Little Beach Island – a unit of the Edwin B. Forsythe National Wildlife Refuge – has become a haven for birds.

“Shorebirds were observed during low tides, but it wasn’t until last spring that it appeared the island’s elevation was…