| ORNITHOLOGY | The study of birds |
| OOLOGY | Gents getting up close to Furbo on the outskirts of Galway for the study of birds' eggs (6) |
| OOLOGIST | Description or title of an ornithologist who specialises in the study of bird's eggs (8) |
| ORNITH | With 105 Down, the study of birds |
| SHORELINE | Part of the coast where the ocean meets the land; the habitat of birds such as sandpipers and turnstones (9) |
| CRAW | A name for the pouch-like, expanded part of the oesophagus of birds (4) |
| CROWDS | Large groups of birds round the top of the dovecote (6) |
| FEATHERS | Used for quill pens, fletchings at the end of archers' arrows or for anglers' artificial flies, structures forming the plumage of birds, studied in plumology (8) |
| SCANDINAVIAN | Study noise of birds from part of Europe |
| SINGS | The languages or vocalisation of birds primarily uttered during the dawn chorus but also throughout |
| RSPBCYMRU | Local name for the Royal Society for the Protection of Birds in Wales (4, 5) |
| RAIL | Horizontal piece in a sash window; family of birds in which the coot, moorhen and corncrake belong; or, in the plural, a racecourse barrier (4) |
| KEEL | The median ridge on the breastbone of birds that fly. |
| AUDUBON | John James ___, US naturalist and artist best known for his paintings of birds in Birds of America |
| BUNTING | A string of fabric flags to decorate a fete, boat or garden party; poet who wrote Briggflatts; or, a family of birds that includes the yellowhammer (7) |
| SANDPIPER | Name of a family of birds that includes the curlew and snipe (9) |
| SWANNERY | A managed colony of birds such as the one at Abbotsbury in Dorset, written records of which go back to 1393 |
| NOTES | Keys of a piano; musical symbols on a stave; or, the songs/tones of birds (5) |
| TYRANTFLYCATCHER | Any member of an American family of birds related to the pittas and cotingas (6,10) |
| FIELDGUIDE | With a pictorial key system pioneered by Roger Tory Peterson, a type of book for the identification of birds, flowers, animals or trees (5,5) |
