Historical clue formulations

• Rufous ruminant — 2018-02-18
• Alberta city named after a quadruped — 2015-10-10
• Relatives of 20-Across — 2010-11-19
• Highlands relative of an elk — 2007-06-15
• Antlered animal of the Old World — 2005-11-27
• Cousin of a wapiti — 1999-12-21
• Forest denizen — 1995-02-01