Humpback Whale (Megaptera novaeangliae) tail-slapping near researchers in Chatham Strait, Southeast Alaska, USA.

humpback whale cetacean mammal rorqual baleen mysticete southeast alaska pacific megaptera novaeangliae united states coastal waters north tail flukes research alaskan north american cetacea cetaceans balaenoptera people surafce boat boats tourism tourists tourist ecotourism eco tourism usa us north america tails dive dives diving encounter tailslap behaviour behavior slap slapping tailslapping tail slap tail slapping mammals