Echolocation used by whales and the mammals mentioned in 20 Across

Let's find possible answers to "Echolocation used by whales and the mammals mentioned in 20 Across" crossword clue. First of all, we will look for a few extra hints for this entry: Echolocation used by whales and the mammals mentioned in 20 Across. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.