Animals Dance Number American-bred Thoroughbred racehorseborn 1979 Northern Dancer27 May 1961 – 16 November 1990Numbered Accountborn 1969 Dance Numberborn 1979 Rhythm1987 – 4 September 2007 Sire and damNorthern Dancer27 May 1961 – 16 November 1990NNumbered Accountborn 1969OffspringRRhythm1987 – 4 September 2007 From Wikipedia and Wikidata (public domain), updated daily.