Crossword clues for the word: BLUEWHALE The word BLUEWHALE has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for BLUEWHALE Showing 1 to 10 of 10 results Clue(s) Colorful marine mammal Depressed with healthy marine animal Earth's largest mammal It's roughly the length of a basketball court Krill-eating creature Largest animal Largest living creature Subject of many a watch World’s largest mammal World's largest mammal