Aerial view of adult humpback whales (Megaptera novaeangliae) preparing to dive in order to cooperatively "bubble-net" feed in Southeast Alaska, USA

marine animal whale cetacea cetacean jorobada mysticeti baleen balaenopteridae rorquals ocean oceanic aqua water sea sealife sea life northern hemisphere surface surfacing pacific alaska alaskan north america north american us usa united states action active motion movement swimming group pod social feeding food foraging filter eating behaviour behavior blowing exhalation breathing bubble net bubblenet bubble net bubblenetting bubble netting bubble netting