| Answer | Crossword Clue |
|---|---|
| DRONER | One humming |
| MIDGE | One in a humming swarm |
| droner | one that drones (to make a monotonous humming sound) |
| droners | DRONER, one that drones (to make a monotonous humming sound) |
| sicklebill | any one of three species of humming birds, native of Central and S. America |
| sicklebills | SICKLEBILL, any one of three species of humming birds, native of Central and S. America |
