Adult bull killer whale (Orcinus orca) surfacing in Glacier Bay National Park, Southeast Alaska, United States of America, Pacific Ocean, North America

killer whale orca bull orca glacier bay alaska southeast alaska pacific ocean marine wildlife ocean surface nature wildlife observation summer north america aquatic mammals orcinus orca sea life animal behavior mountainous background wildlife conservation marine ecosystem tourism national park stunning scenery whale watching habitat preservation biological diversity coastal waters oceanic environment natural habitat atlantic cetacean aquatic environment sea mammals ocean travel marine biology adult whale surfacing behavior natural wonders whale appearance pacific northwest nature lovers ecological balance outdoor adventure serene waters marine adventure ocean exploration eco tourism pristine wilderness wildlife encounters natural beauty