Escondido, Calif. — Winston, a western lowland gorilla who was a favorite attraction at the San Diego Zoo Safari Park, has died at the age of 52 after suffering multiple health problems, officials said. The park said Winston was euthanized Saturday after veterinarians determined his condition was declining. [time-brightcove not-tgx=”true”] “After careful consideration stemming from furthering complications from his worsening conditions, and with Winston’s quality of life top of mind, wildlife health and care teams made the difficult decision to compassionately euthanize him,” the zoo said in a statement. Winston was one of the oldest male gorillas in a U.S.