BIPEDS
| Date | Clue |
|---|---|
| 2019-08-29 | They can stand on their own two feet |
| 2017-04-12 | Ostriches and kangaroos, e.g. |
| 2015-03-07 | Birds, e.g. |
| 2012-06-14 | Humans and ostriches |
| 2008-11-09 | Man and ape |
| 2008-03-01 | Man and others |
| 2005-07-24 | Humans, e.g. |
| 2001-11-25 | Ladies and gentlemen |
| 2000-03-20 | Humans, e.g. |
| 1999-07-15 | Humans, among others |
| 1995-03-21 | They stand on their own two feet |