Humpback whale, Magaptera novaeangliae, tail flukes, water streaming off tail, last sight before diving, blue water, white water splashes, Sea of Cortez, Mexico
Humpback Whale, Megaptera novaeanglae, tail flukes, black and white patches on underside, pattern used as a way to identify individuals, barnacles on outside edge, about to dive last between 3 to 9 minutes, Iceland