Wally Ross , circus animal trainer in United States Born 1928-03-27 in United States dead 2003-08-22 in United States . 1991: Ross, a 64-year-old Thousand Oaks resident, came to Jungleland in 1956 and served as the park’s superintendent until it closed in 1969. “I started out in the early 1940s with circuses and bears because I was 4-F and couldn’t get into the Army,” he said. Semi-retired, Ross occasionally comes across an intelligent animal with an extraordinary knack for tricks that he will take on. He’ll even train some that aren’t so smart. Also worked in POP (Pacific Ocean Park.).