On a small island in Barnegat Bay, hundreds of birds that didn't exist in New Jersey 30 years ago bask in the summer sun. Suddenly, they all take flight, oddly elegant and vaguely prehistoric, with 6-foot wing spans and the most recognizable bills in the animal kingdom. They are brown pelicans, described by naturalist John James Audubon as one of America's "most interesting birds." They are also one of the Jersey shore's newest residents, joining other top-of -the-food-chain bird predators including the peregrine falcon, the osprey and the royal tern to form a new avian golden age on Barnegat Bay....