| 2026-07-21 | Heavyweight beasts, familiarly |
| 2025-09-14 | Some megafauna, informally |
| 2024-03-10 | A group of them is called a "crash" |
| 2016-06-05 | Ones with good poker faces? |
| 2014-10-21 | Big chargers in Africa |
| 2013-07-26 | Charging things? |
| 2013-03-29 | They may be found in preserves, informally |
| 2012-07-14 | Massive chargers |
| 2012-01-19 | Zoo critters |
| 2006-01-31 | Thick-skinned critters |
| 2004-12-17 | Ones making lots of charges |
| 2004-07-30 | Three-toed critters |
| 2002-09-18 | Safari sights |
| 2001-11-23 | Protected wildlife |
| 2001-08-16 | They're thick-skinned |
| 1999-10-03 | Animals with calves |
| 1995-06-20 | Horned zoo animals, briefly |
| 1994-04-14 | Zoo critters |