A lone adult male killer whale (Orcinus orca) encountered in Glacier Bay National Park, UNESCO World Heritage Site, Southeast Alaska, United States of America, Pacific Ocean, North America

killer whale orca glacier bay national park alaska pacific ocean marine life wildlife adult male sea mammal nature ocean spout swimming behavior solitary biodiversity unesco heritage site aquatic environment alaskan waters wildlife observation deep blue cold waters marine ecosystem habitats cetacean surfacing whale watching conservation predatory species apex predator outdoor adventure animal behavior marine biology photographic wildlife coastal ecosystem natural habitat pacific northwest oceanography natural wonders travel alaska aquatic mammals sea creatures nature's beauty underwater life ecosystem health alaskan wildlife nature exploration