| FLYWAY | An ornithological term for a migration route used by birds (6) |
| RATITE | Ornithological term for a flightless bird with a flat breastbone, such as an emu, kiwi, ostrich or r |
| TATAMI | Japanese flooring assailant at a migration centre (6) |
| OREGON | ___ Trail (migration route to the Pacific Northwest) |
| 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) |
| FLYAWAY | Flighty one in migration route by birds (7) |
| TREK | Long, arduous hike or yomp; or, a migration by ox-wagon (4) |
| PLUMES | Long soft feathers used by birds for display (6) |
| SEAWAY | Any regular route used by ships; a rough or heavy ocean; or, a vessel's progress through the waves (6) |
| PICINE | Ornithological word, similar to the Latin for "fish-like" and the French for "swimming pool", that relates to the woodpecker genus (6) |
| DARWIN | Author of On the Origin of Species whose Galapagos finches collected on his second voyage of HMS Beagle were identified by ornithological artist John Gould (6) |
| PARROT | I got my pet bird from a leading ornithological retail establishment right in the centre of Par -- it's very exotic-looking (6) |
| EXPECT | Look forward to nest contents attacked by birds, sounding a bit stronger? (6) |
| AVIARY | Ornithological enclosure (6) |
| MERLIN | Bird of prey whose ornithological nomenclature Falco columbarius means "pigeon hawk" or "dove-like", yet, paradoxically, it preys on columbids (6) |
| AVOCET | Part of viva voce treating ornithological specimen |
| ASANAS | Sanskrit word for yogic poses, postures or manners of sitting, such as those inspired by birds of paradise, butterflies, cats, cobras, dogs, dolphins, eagles or trees (6) |
| SWOOPS | Swift aerial descents performed by birds upon spotting prey or food (6) |
| TWEETS | Short, high-pitched sounds made by birds (6) |
| HENRYS | SI units to get unknown resistance countered by birds flying around (6) |