| OWLISH | Solemn, wise; like a bird |
| OWL | Strigiform whose name is echoed in a word for a candle-waster, dusk, a night train, a nocturnal reveller, a scholarly look, a solemn/wise person, a tawny-black giant moth's name and, onomatopoeically, |
| SAGE | Wise (like a judge) |
| ASTUTE | Wise, like pharaoh heading for Egypt (6) |
| YEASTY | Eats wise, like bread dough |
| SMALL | Size-wise, like bleak (5) |
| SAGER | More wise; like more tasty stuffing? |
| WEDGED | Shape-wise like Bond Bugs, Clan Crusaders, etc (6) |
| LITRE | Size-wise, like the Volvo 164's engine (5-5) |
| THREE | Size-wise, like the Volvo 164's engine (5-5) |
| TARREDAND | Tuckered out, like a bird? (with 53-A) |
| KIWITEKANAWA | "Down under" bird that sings like a bird? |
| TWITTER | (Make) a noise like a bird (7) |
| FLUTTER | Flap like a bird having a bet? |
| TITCH | A small person like a bird, child (5) |
| ASTERN | Like a bird in the wake of a ship |
| TWEETED | Sent a message, and sounded like a bird (7) |
| AVIAN | A vain attempt to be like a bird (5) |
| TRILL | Sing like a bird? A buzz, we hear! (5) |
| HUMMING | Busy making a noise like a bird? (7) |
