Adult bull killer whale (Orcinus orca) surfacing in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America

killer whale orcinus orca adult bull chatham strait southeast alaska pacific ocean marine life wildlife dorsal fin sleek body ocean surfacing tranquil waters nature habitat behavior predator mammals north america aquatic animal oceanic conservation biodiversity wildlife watching natural habitat sea creatures cetaceans endangered species marine mammals alaskan waters oceanography adventure travel eco tourism marine biology whale watching natural beauty spectacular view ocean depths coastal waters behavior observation marine ecosystem protection efforts ocean adventures ecological balance pacific northwest marine wildlife cetacean orca behavior