SANDY HOOK, N.J. (AP) — Officials have canceled the summer concert series at New Jersey's Gateway National Recreation Area in Sandy Hook because of nesting birds.

Park officials say 20 Piping Plover nests were found along the park's beaches. The shorebirds are a threatened and federally-protected species.

Regulations prohibit any activity within 1,000 meters of their nests.

Officials say noise scares the birds and the Sandy Hook Foundation could not find another spot to move the concert series.

The birds build nests, lay their eggs and move on after several months.