Characteristic feature shared by narwhals, water deer and elephants?

Let's find possible answers to "Characteristic feature shared by narwhals, water deer and elephants?" crossword clue. First of all, we will look for a few extra hints for this entry: Characteristic feature shared by narwhals, water deer and elephants?. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.