From Wiktionary, the free dictionary
wild life
- (uncountable) Dated spelling of wildlife.
- Used other than figuratively or idiomatically: see wild, life.
2005, Ray Zone, 3-D Filmmakers: Conversations with Creators of Stereoscopic Motion Pictures (Filmmakers series)[1], Scarecrow Press, →ISBN, →LCCN, →OCLC, page 21:The dredge dwellers were really a crazy bunch of hippies who had a wild life. They were drug dealers and they were wild people.