An adult bull killer whale (Orcinus orca) surfacing in Johnstone Strait, British Columbia, Canada, Pacific Ocean, North America

killer whale orca adult bull johnstone strait british columbia pacific ocean wildlife marine life cetacean surfacing dorsal fin ocean nature marine mammal north america orcinus orca animal behavior aquatic predator exploration conservation pacific waters whale watching natural habitat endangered species oceanography biodiversity ecosystem marine conservation ocean depths beauty animal kingdom movement graceful majestic power social structure underwater marine environment coastal waters nature lovers animal observation ecological diversity family pod aquatic adventure nature experience marine biology cultural significance wildlife research marine ecosystems