Khnights Wyndsong, Arabian mare, 18 years of age, just before she was sold. Retired from showing but still is used as a trail horse.
Sugar coated article why the stables were closed: http://leisureworld.com/pet-planet/rossmoor-wc-horses/

There used to be a horse stable in Rossmoor but one resident wanted a petting zoo and got the Rossmoor Board of Directors worried that there might be lawsuits as horses were dangerous and an attractive nuisance. He got his wish and died shortly afterwards, leaving many horse owners to move or sell their horses.