| TAWNYOWL | Nocturnal bird of prey, Strix aluco (5,3) |
| EAGLEOWL | Large nocturnal bird of prey |
| SCOPSOWL | Nocturnal bird of prey that is resident in Mallorca, widely seen on the island it is distinguished by its electronic beeper-like call (5,3) |
| WOODOWL | Name, in reference to its habitation of boscage, forest or other sylvan abode, for the brown/tawny hooting bird of the night, Strix aluco (4,3) |
| TAWNY | - owl; adapted for hunting in woodland, a nocturnal bird with an unmistakable call, Strix aluco (5) |
| NEBULOSA | Strix ___ (Scientific name of the Great Grey Owl) |
| POORWILL | Nocturnal bird of the nightjar family of central and western North America (8) |
| NIGHTJAR | Nocturnal bird of the family Caprimulgidae (8) |
| OWL | Nocturnal bird of prey of the order Strigiformes (3) |
| BARNOWL | Any of several nocturnal birds of prey of the genus Tyto, family Tytonidae, especially the common T. alba (4,3) |
| OWLY | Like a nocturnal bird of prey (4) |
| OWLET | Young nocturnal bird of prey |
| ELFOWL | Small nocturnal bird of prey |
| OWLS | Nocturnal birds of prey with hawk-like beaks and claws |
| URALOWL | Large, nocturnal predatory bird of the genus Strix, native to northern Asia and Scandinavia (4, 3) |
| HOOTOWL | Common name for the bird Strix varia |
| MOTTLEDOWL | Nocturnal bird of Central and South America of the family Strigidae |
| OWLISH | Alluding to the birds of the night, such as the tawny examples in the genus Strix, a word meaning solemn or wise in appearance, especially if bespectacled (6) |
| GREATPOTOO | Insectivorous nocturnal bird of South America (5,5) |
| NIGHTJARS | Nocturnal birds of the Caprimulgidae family with large eyes (9) |
