| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Thu, Oct 19, 2006 | 9D | Subspecies especially adapted to their environments | Raymond C. Young | Shortz |
| Sat, Oct 14, 2000 | 17A | Adaptable subspecies | Rich Norris | Shortz |
| Wed, Jun 07, 2000 | 20A | Groups adapted to their environments | John Duschatko | Shortz |
| Tue, Jun 01, 1999 | 38D | Groups that have adapted to their environments | Myles Callum | Shortz |