| ELFOWL | Small nocturnal bird of prey |
| OWLET | Small nocturnal bird of prey (5) |
| TAWNYOWL | Nocturnal bird of prey; or, a name for an assistant leader of a pack of Brownies (5,3) |
| 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) |
| 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) |
| OWLS | Which nocturnal birds of prey feed on mice, small birds, reptiles, etc (4) |
| POORWILL | Nocturnal bird of the nightjar family of central and western North America (8) |
| MOTTLEDOWL | Nocturnal bird of Central and South America of the family Strigidae |
| NIGHTJAR | Nocturnal bird of the family Caprimulgidae (8) |
| JERBOA | A small, nocturnal, burrowing rodent of the dry regions of Asia and North Africa (6) |
| NIGHTJARS | Nocturnal birds of the Caprimulgidae family with large eyes (9) |
| FENNEC | Very small, nocturnal fox inhabiting deserts of Arabia and N Africa (6) |
| HEDGEHOGS | Small, nocturnal mammals with protective coverings of spines on their backs (9) |
| HEDGEHOG | Any small nocturnal Old World mammal of the genus Erinaceus, especially the European E. europaeus (8) |
| RACCOONS | Co cars on moving small nocturnal carnivores of Procyon genus (8) |
| RINGTAILEDLEMUR | Small, nocturnal mammal |
| BATS | Small nocturnal mammals that hang upside down (4) |
