Unusual Heat stood 16 hands (64 inches, 163 cm) tall and was officially a dark bay or brown horse according to The Jockey Club of America.
Nureyev produced notable offspring including champions Theatrical, Miesque, Heart Lake, and Spinning World.
Rossard was a Group 1 winning mare in Europe and a Grade 1 winner in North America.
He was trained in his racing career by Dermot Weld, Richard Mandella, and Barry Abrams.
[1] His accomplishments at stud hold the California breeding record for progeny earnings in a single year with $5,827,513[2] in 2008.