Mother and calf Humpback Whale (Megaptera novaeangliae) underwater in the AuAu Channel, Maui, Hawaii, USA.

humpback whale cetacean rorqual mammal megaptera novaeangliae mysticete pacific ocean mammals cetaceans oceanic sea north pacific us united states america american north america north american mother female females parent parents parental care family familes couple couples pair pairs swimming blue baby babies juvenile juveniles young offspring calves balaenoptera