Humpback whale (Megaptera novaeangliae) resting at surface. Hawaii, USA.

mammal mammals cetacean cetacea cetaceans humpback whale hump back hump back megaptera novaeangliae whale whales warm blooded rorqual balaenopterid balaenoptera nobody one mammal single lone tail adult hawaii usa america pacific ocean swimming away from camera blue waters underwater rest resting surface surfacing