Five marine mammal species, including one cetacean and four pinnipeds, may inhabit or transit the waters near the Shipyard in the lower Piscataqua River during the specified activity. These include the harbor porpoise (Phocoena phocoena), gray seal (Halichoerus grypus), harbor seal (Phoca vitulina), hooded seal (Cystophora cristata), and harp seal (Pagophilus groenlandicus).
1026,1029,1125,1456