On our CodyCross answers based website we have the solution for They can be killer, beluga, blue or humpback. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for They can be killer, beluga, blue or humpback by scrolling down which is part of CodyCross BE Words Group Puzzle 13.