Historical clue formulations

• Animals with prehensile proboscises — 2026-07-04
• Jungle herbivores — 2015-01-17
• Brachyodont perissodactyls — 2010-08-08
• Rhino relatives with long snouts — 2010-03-23
• Tropical animals — 2005-02-05
• Hoglike animals — 1997-06-22
• Tropical animals — 1995-01-17
• Hoglike critters — 1994-05-29
• Odd-toed critters — 1994-03-19