| NOCTULE | Britain's largest bat (clue: not modified) (7) |
| UNCONDITIONED | Like instinctive reflexes not modified by learning or experience (13) |
| UNALTERED | Not modified |
| STUCKON | Position vis-a-vis crossword clue not securely nailed? (5,2) |
| XANTHIN | Compound found in plant by insect. Clue: Not thymine |
| BRUMMIE | Person from Britain's largest and most populous city outside London (7) |
| GANNETS | Britain's largest marine birds, with long necks and bills, white plumage and dark wing tips (7) |
| BADGERS | Traditionally known as brocks and living in setts, Britain's largest land carnivores (7) |
| CHEDDAR | Containing Britain's largest gorge and part of the Strawberry Line cycle route, village on the edge of the Somerset Levels where the cheese of the same name originates (7) |
| TRIUMPH | By 1918, which company had become Britain's largest manufacturer of motorcycles? (7) |
| ROEDEER | Britain's largest wild land mammal (3,4) |
| REDDEER | This ruminant is Britain's largest land mammal (3,4) |
| FENRAFT | One of Britain's largest arachnids, found in wetlands - parents differ, oddly (3,4,6) |
| CLEANSER | Clue - not suitable for all. Answer - not with initial detergent (8) |
| LUCENT | Awkward clue - not extremely bright! (6) |
| UNDECLARED | Awful darned clue not mentioned (10) |
| TONEDOWN | Temper apparent finally with clue not provided here |
| INEPT | Clumsy clue, not initially hard, about record |
| COPOLYMER | My poor clue not superior? Dreadful material! |
| INTRO | Opening clue, not hard, otherwise taken back (5) |
