| NIGHTHAWK | Common ___ (Crepuscular bird species in Canada) |
| MACAW | Talking bird species in Aladdin |
| EMU | Second-tallest bird species in the world |
| RAVEN | Bird species in the genus Corvus (5) |
| CUCKOO | This bird is known for laying its eggs in other bird species' nests. Its name derives from the sounds it makes. In Henry IV, Part 1 (act 5, scene 1), Worcester says, "And being fed by us you used us s |
| SWALLOW | Self-introduced bird species which has one variety in NZ, called Welcome (7) |
| WOODCOCK | With a display flight known as roding, a nocturnal or crepuscular snipe-like bird hiding in thickets (8) |
| BIGYEAR | What you call the attempt to spot as many bird species as possible in a fixed amount of time |
| BLACKROBIN | Bird species which was reduced to five in 1980, all on New Zealand's Chatham Islands (5,5) |
| OSTRICH | Earth's largest bird species |
| FANTAIL | Australian bird species which includes the willie wagtail (7) |
| BOWER | ___bird, species noted for the male's elaborate courtship structures (5) |
| WHEATEAR | Summer migrant bird species named, counterintuitively, after its white rump |
| IBIS | African sacred ___ (bird species) |
| SPARROW | Bird species, briefly something linked to flight (7) |
| SWIFTS | Fastest of the bird species, of the family Apodidae, capable of more than 160kmh (6) |
| RAPTOR | Description of any bird species which hunts and kills other animals (6) |
| PENGUIN | King ___ bird species for Brigadier Sir Nils Olav III mascot of the Norwegian King's Guard |
| EVENING | Crepuscular time of day |
| DARKENED | Became crepuscular (8) |