| Answer | Crossword Clue |
|---|---|
| TRILL | Bird warble |
| SING | Warble |
| QUAVER | Warble |
| YODEL | Warble |
| CAROL | Warble |
| DESCANT | Warble |
| CHANT | Warble |
| YODLE | Warble. |
| SING | Warble. |
| CAROL | Warble. |
| TRILL | Warble. |
| YODEL | Warble. |
| CROON | Warble |
| TRILL | Warble |
| YODEL | Tyrolese warble. |
| YODLE | Western warble. |
| YODEL | Alpine warble |
| YODEL | Swiss warble |
| TRILL | Flutist's warble |
| YODEL | Mountain warble |
| TRILL | Bird's warble |
| TRILL | High-pitched warble |
| YODLE | Swiss warble (Var.) |
| CAPITOLTRILL | Warble heard in the Senate? |
