| Clue | Source | Date |
|---|---|---|
| chewing like a rodent | ||
| Biting, rodent-like (7) | ||
| Nibbling on part of flying insect? There's not tons | The Telegraph Toughie | 27 Dec 2019 |
| Chewing away | Universal | 10 Dec 2017 |
| Chewing away | ||
| It's green outside but a section is corroding | ||
| Chewing like a beaver | ||
| Beaver's activity |