Historical clue formulations

• Mammal whose scientific name is just its name repeated — 2024-04-02
• A baby one is called a red dog — 2023-08-12
• Bearded bovine — 2023-05-19
• Plains figure replaced by Monticello on U.S. nickels — 2022-06-14
• Yellowstone traffic halters — 2021-01-23
• National mammal of the United States — 2020-11-03
• Animal in some ancient cave art — 2019-10-15
• Range rovers — 2019-01-06
• Yellowstone Park grazer — 2015-04-06
• Animals in a Western herd — 2010-11-10
• Range rover — 2003-02-13
• Image on an old nickel — 2002-11-05
• Yellowstone animal — 2001-11-19
• Protected animal — 2001-02-08
• Plains drifters — 2000-05-03
• Herd members — 2000-03-03
• Yellowstone sight — 1999-05-02
• Prairie sights — 1998-11-20
• Humped beast — 1998-03-21
• Plains roamers — 1997-10-22
• Yellowstone Park animal — 1996-01-29
• Plains critter — 1994-08-24
• Shaggy-maned mammal — 1994-01-23