1. (

• killer_whale ,
• killer ,
• orca ,
• grampus ,
• sea_wolf ,
• Orcinus_orca

) predatory black-and-white toothed whale with large dorsal fin; common in cold seas ;

2. (

• grampus ,
• Grampus_griseus

) slaty-grey blunt-nosed dolphin common in northern seas ;