| ANTENNA | Either of a pair of mobile appendages or feelers on the heads of insects or crustaceans (7) |
| ANTENNAE | Feelers on the heads of crustaceans and insects (8) |
| ARTHROPOD | Member of a group of animals with no spine, such as insects or crustaceans (9) |
| INSPECTORATES | Examining bodies of insects - or a pet - is moving (13) |
| SENSOR | A detecting and/or measuring device of an object's physical property / probe or feeler |
| FEELERS | Jointed organs in the heads of insects (7) |
| ANTLERS | Bony outgrowths on the heads of male deer (7) |
| PROCESS | A natural appendage or outgrowth on or in an organism (7) |
| NECTARY | Part of a plant that attracts the insects or birds (7) |
| BARBULE | One of four feelers on a sturgeon (7) |
| ECDYSIS | Shedding of the cuticle in insects or old skin in reptiles (7) |
| TENANTS | Some insects or people occupying property (7) |
| FLUTTER | Fly like some insects, or bat (7) |
| ROACHES | They could be insects or fishes (7) |
| BARBELS | Feelers on fish |
| ANTLER | One of a pair of bony outgrowths on the heads of male deer |
| CRESTS | Feather plumes on the heads of lapwings, hoopoes and peafowls; regions of horses where manes grow; or, the points of waves opposite troughs (6) |
| SMUDGE | A sooty or inky blemish, blot, daub, smear or spot; a blur; a smoky outdoor fire to repel insects or to fumigate; or, any choking smoke (6) |
| HORN | A hard, permanent outgrowth found in pairs on the heads of cattle, sheep, goats etc (4) |
| HORNS | Outgrowths on the heads of some animals, for example the Mallorcan wild goat (5) |
