| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Thu, Oct 06, 2016 | 25A | Ecosystem components | Timothy Polin | Shortz |
| Fri, Oct 18, 2013 | 22A | Zoological groups | David Steinberg | Shortz |
| Sun, Dec 09, 2007 | 16D | Zoological studies | Patrick Blindauer | Shortz |
| Tue, Jun 10, 2003 | 1D | Regional groups of animal life | Elizabeth C. Gorski | Shortz |
| Wed, Mar 27, 1996 | 22A | Parts of ecosystems | R. J. Hartman | Shortz |