humpback whale tail fin or fluke of diving whale above sea surface water running off fluke in front of mountains at sunset cetacean cetaceans identification profile fluke margin margins one animal only horizontal format

alaska america animal animals aquatic attitudes baleen behavior big carnivore carnivores cetacean cetaceans code colossus diving dying endangered fin fluke format front giant grand horizontal huge humpback identification large life live mammal mammalia mammals margin margins marine mountains mysticeti nature north ocean one outside pacific peace peaceful profile protected running sea sealife southeast species sunset surface tail underwater usa vitality water whale whales world