| TWOTOEDSLOTHS | Linnaeus’s and Hoffmann’s are the only two extant species of ____ |
| NELUMBO | Plant genus whose two extant species are the sacred lotus of Asia and the water chinquapin of North America (7) |
| THE | Word that starts two extant soap titles |
| UPANISHAD | The 108 ____s are the most recent addition to the Vedas |
| ORANGUTAN | Female ____s are the great apes with the longest interbirth period — six to nine years |
| OILTANKER | Some ____s are the largest mobile man-made structures |
| ORIEL | ____ and Pembroke are the only two Oxford University colleges on squares of the same name |
| VATICANCITY | ____ and the Philippines are the only two countries with no divorce laws |
| TRIVIA | "Hawaii and Tennessee are the only two U.S. states whose names end in doubled letters," e.g. |
| OSTRICH | Running and maintaining speeds of around 40mph, the world's largest and heaviest extant species of bird (7) |
| MONOTREME | Egg-laying mammal of the order whose only extant species are the platypus and the echidnas (9) |
| PANGOLIN | The eight species of ____ are the only old-world mammals with keratin scales covering their skin |
| CLARINET | The ____ and 1A are the only wind instruments played by more than one winner of the BBC Young Musician of the Year contest |
| TRUMPETERSWAN | The largest extant species of waterfowl, native to North America |
| LOBSTER | The most important commercial crustacean in Europe and the only extant species in the genus Nephrops (6,7) |
| NORWAY | The most important commercial crustacean in Europe and the only extant species in the genus Nephrops (6,7) |
| PEDRO | Name of either of the only two emperors of Brazil |
| EMPEROR | The largest extant species of penguin (7) |
| TRUMPETER | Largest extant species of swan, native to North America; Cygnus buccinator (9) |
| RHINOCEROS | Odd-toed ungulate of which there are five extant species, two native to Africa and three to southern Asia |
