| Clue | Source | Date |
|---|---|---|
| Sound-track? | New York Times | 25 Feb 2026 |
| Deploy the bat signal? | ||
| Sound off on? | New York Times | 07 Oct 2023 |
| Be batty, in a way? | New York Times | 13 Jun 2021 |
| Use sound to get around | ||
| Use sound to get around | LA Times Daily | 03 Apr 2021 |
| Navigate like a whale | New York Times | 12 Feb 2019 |
| Navigate like a whale |