| collective noun | usage | |
| siege | A siege of herons | |
| hedge | A hedge of herons | |
| colony | A colony of herons | |
| flight | A flight of herons | |
| rookery | A rookery of herons | |
| sedge | A sedge of herons | |
| station | A station of herons | |
| collective noun | usage | |
| siege | A siege of herons | |
| hedge | A hedge of herons | |
| colony | A colony of herons | |
| flight | A flight of herons | |
| rookery | A rookery of herons | |
| sedge | A sedge of herons | |
| station | A station of herons | |
