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

humpback whale cooperatively southeast alaska marine life feeding behavior ocean wildlife nature cetacean surfacing splash group activity fishing adaptation aquatic ecosystem foraging schooling fish seabirds surface alaskan waters watching biological sea predators prey north pacific conservation underwater communication mammal large coastal frenzy migratory southern hemisphere blue seas oceanic environment observation