An adult Orca tail-slapping from a pod of 6 Orcas (Orcinus orca) encountered off Sail Island and followed until McDonald Rocks in Frederick Sound, Southeast Alaska

alaska southeast alaska alaskan peninsula alaskan panhandle pacific ocean pacific northwest orca orcinus orca orcas cetacea cetacean mammal odontocete toothed resident transient killer killer whale whale delphinidae one animal lone single sail island mcdonald rocks frederick sound surfacing tail tail slapping tail slapping slapping