| Answer | Crossword Clue |
|---|---|
| CELTICS | Bird's group, once |
| IBISES | Once-sacred birds |
| SSTS | Orly birds, once |
| CELTICS | Team of Bird's, once |
| GEESE | Birds who once saved Rome. |
| MOLT | Many birds do it once a year |
| praecocial | of or relating to birds whose young are hatched with a covering of down and can leave the nest at once to seek food also PRECOCIAL |
| precocial | of or relating to birds whose young are hatched with a covering of down and can leave the nest at once to seek food / a bird having such young also PRAECOCIAL |
