Adult Orca bull - also called Killer Whale - (Orcinus orca) surfacing near whale watching yacht in the calm waters of Southeast Alaska, USA.

orca killer predator whale cetacea cetacean mammal animal sea pacific oceanic ocean water underwater marine wild aquatic wildlife sea life northern hemisphere odontocete odontoceti toothed delphinidae north america north american united states alaska alaskan surface swimming group adults boat vessel coastal coast dorsal fins one alone single solitary individual calm quiet tranquil tranquillity