| 100% | CHAMELEONS | 10 | The Namaqua varieties of these lizards can turn darker in cool conditions and lighter in warm and can even be half dark and half light |
| 28% | LINDSAY | 7 | Jeff —, author of novels Dexter is Dead and Dexter in the Dark |
| 27% | NUCLEARFAMILY | 13 | Members of this can be found in the centers of 17-, 24-, 51- and 60-Across |
| 27% | AHEADOFTHEGAME | 14 | In an advantageous position, or where both halves of the answers to 20-, 26-, and 44-Across can be placed? |
| 26% | FURNITUREASSEMBLY | 17 | Ikea task, and a task that can be applied to the sets of circled letters in this puzzle |
| 26% | TOBUILDAFIRE | 12 | Jack London short story set in harsh winter conditions, and what the ends of 20-, 28-, and 47-Across can be used for |
| 26% | YOUREMISSINGOUT | 15 | "That's a lost opportunity," and what can be said to the writer of four clues in this puzzle |
| 26% | DONUT | 5 | Treat whose varieties appear at the starts of four long answers and are represented a dozen times in this puzzle |
| 25% | ATOMICPILE | 10 | The first one of these was built by Fermi and his team in 1942 |
| 25% | THEA | 4 | She was the titan goddess of the sun and light |
| 25% | BATS | 4 | The fringe-lipped varieties of these central and south American critters are really good at catching frogs |
| 25% | TABS | 4 | In Chrome the default is 20 for the number of these you can have open at once |
| 25% | TERN | 4 | The New Zealand fairy variety of this bird was down to less than 50 individuals in 2018 |
| 25% | VCR | 3 | The first commercial one of these was introduced by Ampex in 1956 and cost roughly $50,000 |
| 24% | DAYANDNIGHT | 11 | All the time in light and dark |
| 24% | FIREFLY | 7 | *Insect that can be seen in the dark |
| 24% | COMA | 4 | You can be in it and out of it at the same time |
| 24% | WEST | 4 | The half of the keyboard on which all of this puzzle's answers can be typed |
| 24% | ONTHELINE | 9 | In jeopardy ... and where the first words of the answers to starred clues can be found |
| 24% | ELM | 3 | Over 50% of the trees in NYC's Central Park are of this variety |
| 24% | STRETCHGOAL | 11 | Crowdfunding target, and what can be found in three of this puzzle's answers |
| 24% | CORONAS | 7 | The "Gran" variety of these can be over 9 inches long, but then you have to slice off the end to use them |
| 24% | EGG | 3 | This can be over 3 lb in the case of an ostrich |
| 24% | FLY | 3 | Cool, in dated slang, and what can follow the ends of 20-, 25-, 46- and 52-Across |
| 24% | DOUBLEDOUBLE | 12 | Basketball stat, and what can be found in six of this puzzle's long answers |
| 23% | AERIE | 5 | The largest one of these was in Florida, weighted an estimated 4,000 lb plus and built by one or more pairs of Haliaeetus leucocephalus |
| 23% | RACE | 4 | The next one of these will start in Paris on September 5th, 2021 and end (hopefully) on November 16th, 2021 at Dakar, Senegal |
| 23% | EID | 3 | This could be "___ al-Adha" and falls on the 10th day of Dhu al-Hijjah, lasting for four days |
| 23% | FOOTSTOOL | 9 | Piece of furniture that the castle's pet dog is turned into in "Beauty and the Beast" |
| 23% | FIST | 4 | The last parts of 20- and 60-Across and 10- and 36-Down are things you can do with this |