animal big blowhole canada carbuncle cetacean danger enormous giant huge humpback jaw large mammal marine Megaptera novaeangliae natural nature ocean sea surface tubercle Vancouver Island water whale bask boulder Eumetopias jubatus flipper island lion offspring pacific parent pup rest rock sealion Steller waves young Armeria blue coastline Cornish cornwall England english field flowers Great Britain green meadow rocks seethe seething shore surf thrift tide wild bay beach cliff cove flow hillside incoming inlet plants racing sand sandy cliffs sheltered spring curved exercise fence fencing footpath path protect safety trail Trek walk wooden breaking crashing fierce furious pounding powerful stormy surging violent bench clifftop hard headland relax seat view lighthouse foam force power thridt turbulent