Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding, Southeast Alaska, United States of America, North America

humpback whales megaptera novaeangliae bubble net feeding southeast alaska cooperative behavior marine life ocean wildlife north america cetaceans feeding technique natural behavior alaska usa large mammals underwater marine ecosystem animal behavior foraging biodiversity aquatic marine biology sea pacific ocean wildlife observation conservation nature marine habitat ocean feeding sea surface whales underwater feeding animal interaction group feeding cetacean research coastal waters feeding frenzy wildlife viewing nature documentary aquatic mammals subarctic waters pelagic zone marine research species interaction natural environment environmental awareness whale behavior feeding strategy marine conservation trophic interaction