known killer whale estimated whale researchers years old correct oldest known living captured rest pod old time marine park released estimated born description recognizable gray saddle patch dorsal fin half moon notch fin ocean said seen thousands times markings fins like studies going decades exact age known age older estimated offspring birth age stop having offspring adding generations ages estimated photographs 1930s size growth age estimates case photographed male thought son estimated years old scientists believed offspring age estimated later determined dna son pod descendants travels pod group pod clan southern resident killer whale population frequent inland waters british_columbia summer months southeast alaska central california completed journey far miles week known male thought son seen according researchers multiple grandchildren great grandchildren travelling pod southern resident killer studied population killer world population captured 1960s 1970s use sea parks killed hunters attempting capture legacy oldest known arguments keeping captivity referencing allegedly reduced lifespan captivity oldest captivity year old miami average lifespan captured years age captain said mind blowing think whale years old born went imagine things seen lifetime focal point environmental efforts resulted endangered species act estimate load parts million descendants reproductive systems damaged exposure pollution additionally family risk declining west_coast salmon populations featured children book titled clan tale wild lifespan estimates wild vary says wild years females years males estimates similar estimates study marine conservation groups argue estimates low effects hunting pollution capture wild populations natural wild equivalent humans male living years female living years
Granny (orca)