| ROOKERY | Place for birds with eggs by railway, all right for nesting |
| YOKED | Joined together .... with eggs, by the sound of it (5) |
| TYROL | Group conserving railway, all up in mountainous region |
| ROOSTS | Settlements for birds with places to sleep (6) |
| SEARCHERS | They're looking for birds with crest that wobbles (9) |
| CREEPER | Trim back Virginia ___ before birds seek it out for nesting (7) |
| BLACKREDSTART | Sooty-coloured chat, known for nesting in built-up areas (5,8) |
| MINESTRONE | Note place for eggs by river -- and singular soup (10) |
| EARNEST | Serious listener with place for birds (7) |
| CROWBAR | Tool for making a place for birds to drink (7) |
| INCUBATOR | Apparatus for hatching eggs by artificial heat (9) |
| THEMOSTPERFECT | 2016 book on birds' eggs by Tim Birkhead (3,4, 7, 5) |
| THING | 2016 book on birds' eggs by Tim Birkhead (3, 4, 7, 5) |
| SPREADEAGLED | Vitruvian man reached out for bird with Penny (12) |
| MOHAWK | Clear the decks briefly for bird with hair-raising style (6) |
| CROWSFEET | Support for bird with facial wrinkles (5,4) |
| PINTAILED | Adjective for bird with long narrow tail feathers (9) |
| ROOST | Egg's found in strange sort of place for birds to nest (5) |
| AVIARY | Five enter unquiet apiary or place for birds (6) |
| COTE | Small house originally exploited as place for birds |
