Historical clue formulations

• Their notable behavior is actually involuntary, like fainting — 2024-01-13
• Pogo and others — 2019-08-03
• Pogo and others — 2012-02-28
• Arboreal animals with pouches — 2009-08-03
• Pogo and others — 2004-06-06
• Relatives of a yapok — 2002-11-09