| Clue | Source | Date |
|---|---|---|
| Went extinct | Premier Sunday | 27 Apr 2025 |
| With no water, river dropped and disappeared (4,3) | ||
| Went extinct | LA Times Daily | 26 Jun 2023 |
| Went extinct | New York Times | 28 Jun 2016 |
| Totally faded | Premier Sunday | 27 Mar 2016 |
| Went extinct | ||
| Became extinct | ||
| Disappeared |