| UNHATCHED | Of a bird or reptile, not yet born (9) |
| QUADRATE | Squarish bone in the head of a bird or reptile (8) |
| GUANACO | South American native mammal or reptile, not one wanting company |
| SNAKE | Reptile not found in Iceland or Ireland |
| STERILE | Reptiles, not soft but awkwardly unproductive (7) |
| GRASSSNAKES | Common reptiles (not lizards) |
| HATCHLING | Very young bird or reptile (9) |
| TERRARIUM | Enclosure for keeping small land animals or reptiles In a simulated natural environment, usually made of glass (9) |
| PIPE | A hose or other tube; a butt of wine equal to two hogsheads; a high voice; a note of a bird; or, a chillum (4) |
| MANTLE | Word for a cloak or shawl, hence a blanket, coating of snow, layer of the Earth, pallium of a mollusc, tapestry, wing covert of a bird or other covering/concealing thing (6) |
| CHIRRUP | Word meaning jolly along; a cluck made with the lips when urging forth one's pony or hack; a cheep of a bird; or, a click of a cricket (7) |
| SPAN | Width of a human hand; distance between the wing tips of a bird or an aircraft; or, the arch of a bridge (4) |
| ROOST | Word for a sleeping place of a bird or bat; a hen house; or, a group of fowls resting together (5) |
| BILL | An old word for any document or list; an invoice; a poster; the beak of a bird; or, the muzzle of a platypus (4) |
| SKULL | Head bone of a mammal, bird or reptile (5) |
| WING | A modified forelimb of a bat or a bird; or, something suggestive of this, such as an ala of a sycamore seed or a sail of a ship/windmill (4) |
| CLAW | Old English "iron hook", today's nail, pincer or talon of a bird or animal such as a bear, cat, crab, dog or rook (4) |
| FLIGHT | Word for a bird or plane's airborne journey; a soaring of swallows or other avians; the trajectory of an arrow or dart; a wandering of fancy or imagination; or, an act of fleeing (6) |
| DISPLAY | Electronic screen or VDU; or, the courtship ritual of a bird or animal (7) |
| MIGRATE | (Of a bird or animal) go elsewhere for a particular season (7) |
