WILMINGTON, NC (WWAY) — Researchers with the University of North Carolina Wilmington’s Marine Mammal Stranding Program are continuing to investigate a recent increase in stranded bottlenose dolphins along the North Carolina coast, but they say they have not identified a single cause for the uptick. The program, based at UNCW’s Oriole Burevitch Laboratory, responds to injured and deceased marine mammals found along the North Carolina coastline. “…