Adult humpback whale (Megaptera novaeangliae), surfacing near researchers in Zodiac at sunset, Iceland

humpback whale megaptera novaeangliae watching iceland sunset researchers zodiac marine life ocean nature wildlife breaching surfacing behavior adventure exploration sea animal observation research boat aquatic conservation tourism oceanography biology tour habitat cetacean experience group natural scenic seekers unique oceanic biodiversity environment expedition tranquil waters educational trip outdoor activity view enthusiasts