| 2026-06-30 | Surprisingly dangerous "river horse" |
| 2025-11-01 | Campus opening? |
| 2025-09-21 | Third-largest land animal |
| 2025-05-02 | Land animal closely related to whales |
| 2023-06-21 | "Hungry hungry" animal in a popular game |
| 2023-05-07 | Mudhole wallower |
| 2022-01-03 | Animal that dances ballet in "Fantasia" |
| 2020-06-17 | Big body in Africa |
| 2019-12-06 | Source of illegal ivory, informally |
| 2019-10-24 | Whale's closest living land relative |
| 2019-07-14 | Gloria, in the animated "Madagascar" films |
| 2018-10-09 | Ballet dancer in "Fantasia" |
| 2018-06-12 | One wallowing in a zoo pond |
| 2017-06-27 | Zoo resident that needs a big tank |
| 2016-04-19 | Land animal whose closest living relatives include whales |
| 2016-02-12 | Cetacean's closest relative |
| 2015-07-27 | Zoo heavyweight, informally |
| 2015-02-26 | Nile wader |
| 2013-01-28 | Zoo heavyweight, for short |
| 2012-06-29 | One form of the Egyptian god Set |
| 2011-08-14 | Animal with a huge yawn |
| 2011-07-17 | Critter with foot-long teeth |
| 2011-07-16 | Gloria in "Madagascar," e.g. |
| 2010-09-19 | Zoo heavyweight |
| 2007-05-20 | One with a thick skin |
| 2005-01-11 | African wader |
| 2004-08-29 | Mudhole lover |
| 2003-07-22 | Zoo heavyweight |
| 2002-09-29 | Zoo favorite |
| 2002-06-25 | Hulking herbivore |
| 2001-08-18 | Congo basin denizen |
| 2000-08-04 | River resident |
| 2000-08-03 | A big body in Africa |
| 1997-06-10 | Swimmer in the Congo |
| 1994-12-04 | "Fantasia" dancer |
| 1994-01-19 | "Fantasia" ballerina |