| CELANDINE | Meaning "swallow" because its season was believed to parallel the migration of said bird, a wood anemone-like plant that was William Wordsworth's favourite flower (9) |
| GOOSERY | A place for keeping ganders and their female counterparts; or, pertaining to the characteristics of said birds, a word for silliness/folly (7) |
| GOOSE | The female of the waterfowl forming part of a gaggle with its male counterpart the gander; an old English board game bearing a picture of said bird; or, a tailor's iron |
| ROOST | Word for a perch for fowls; a group of said birds or bats resting together; a hen house; a sleeping-place; a Scottish garret or loft; a spar of a roof; or, an Orcadian tidal race (5) |
| RUN | A dash, gallop or sprint forth; a trickle of paint or spread of dye; a series of unravelled stitches forming a ladder; a journey; a chicken coop; a ski trail; or, the migration of salmon (3) |
| LEDA | Moon that was discovered in 1974 and named for a woman in Greek myth who was believed to have been the mother (by Zeus, who had seduced her in the form of a swan) of Pollux and of Helen (4) |
| EYESPOT | Any one of the ocelli on the train of a peacock or on a wing of the butterfly named after said bird (3-4) |
| RAN | A migration of salmon or other fish upstream; a downward trickle of paint; a track made or used by a particular animal; or, a sprint, such as that when undergoing the punishment of the gauntlet (3) |
| EGRETS | Is sorry to see the migration of the first birds (6) |
| SERENGETI | Geographical region in Tanzania where the migration of more than a million wildebeest occurs annual |
| SIREN | In Greek mythology, one of the sea nymphs whose seductive singing was believed to lure sailors to destruction on the rocks they inhabited (5) |
| NEPHRITE | Variety of jade whose name derives from the Greek for "kidney" for it was believed to be beneficial in treating diseases of said organ (8) |
| WEST | The Egyptian goddess Amunet was believed to be the personification of this compass point |
| SPAEWIFE | A woman who was believed to be able to predict the future (8) |
| DEN | Pharaoh of the First Dynasty of Egypt whose mother was believed to be Merneith (3) |
| FISHLADDERS | Structures aiding in the migration of aquatic creatures, illustrated twice in this puzzle |
| MIDSUMMERNIGHT | The time in June when 15A was believed to be most likely to appear |
| ORACLE | A priest or priestess through whom a god in ancient times was believed to speak (6) |
| HARRIET | Did you know that the world's largest 1a was believed to have been lain by the British hen ___ in 2010? |
| KRAKEN | Mythical sea monster which was believed to lie off the coasts of Nonrway and Greenland (6) |
