Berry's Creek harbors the last remaining northern harrier nest site in the Meadowlands. It is heavily used by wintering raptors. "The marshes of the Meadowlands provide many important wetland functions. More than 265 species of birds use the area, and the Meadowlands is recognized as a major link along the Atlantic Flyway for migratory species (especially shorebirds) and an important overwintering area for a variety of waterfowl... Waterway-associated birds occurring in the region include a variety of shorebirds, wading birds, waterfowl, and gulls."