| MIGRATION | Seasonal journey of the population of a species from one habitat to another, such as that of the humpback whale, Atlantic salmon, woodcock, swift or painted lady butterfly (9) |
| BUZZ | The hum of bees or of voices in conversation; a euphoric rush; an atmosphere of excitement; or, a whispered rumour or report (4) |
| MIGRATE | Move from one habitat to another, as birds (8) |
| MUGSHOT | Even the hums got distorted in con pic (7) |
| ANAGRAM | From Greek for "back, anew" and "letter", a word or phrase formed by rearranging those of another, such as astronomer/moon starer, listen/silent or the Morse code/here come dots (7) |
| ECOTYPE | Population of a species that adapts to local environmental conditions |
| ENDOMORPH | A mineral naturally enclosed within another, such as tourmaline in quartz (9) |
| CENSUS | The process of calculating the population of a country (6) |
| CULL | To reduce the population of a herd or flock by selective slaughter (4) |
| MAPLE | Tree with a species from which syrup is derived and with "folios" serving as symbols of Canada (5) |
| PLATYPUS | Egg-layer additionally incorporating a species from the Isle of Man? (8) |
| ICHNEUMON | Munich one habitat of this mongoose (9) |
| SPIRE | Steeple; blade of grass; apex of a shell such as that of the periwinkle; or, a towering stem of a flower such as a delphinium or foxglove (5) |
| COMPOSITE | Botanical description of a flower of a plant in the aster family such as that of the daisy, dandelion or chamomile (9) |
| SARTO | Italian word for "tailor", which is the epithet of the Florentine painter Andrea d'Agnolo di Francesco di Luca, whose frescos include The Journey of the Magi and The Nativity of the Virgin (5) |
| TRANSSIBERIAN | The railway that takes you from Vladivostock to Moscow, one of the great train journeys of the world |
| WALLOON | Member of the French-speaking people comprising around 30% of the population of Belgium, chiefly living in the south and east (7) |
| BRACT | From the Latin meaning "thin plate of metal, gold-leaf", a modified often-colourful leaf such as that of the red or white poinsettia or "Christmas rose" (5) |
| WILDING | Restoring a habitat to a more natural state, as a gardener might do on a small scale (7) |
| CHOREOLOGY | The study and notation of ballet and dance movement, such as that of the Benesh discipline for example (10) |