Humpback Whale (Megaptera novaeangliae) calf playing and rubbing with kelp wrapped around its flukes off Admiralty Island, Chatham Strait, Southeast Alaska, USA

humpback whale megaptera novaeangliae mysticete cetacea cetacean mammal warm blooded rorqual jorobada southeast alaska mysticeti balaenopteridae sea marine water ocean oceanic northern hemisphere one alone single solitary individual north america north american america united states us alaskan behaviour behavior calves baby babies young juvenile offspring action active motion movement pacific playful play fun seaweed