St. Louis Zoo plans habitat for endangered wolf breed Zoo officials said 20 acres will be set aside for 12 mating pairs of American red wolves, which will be brought in from other organizations in 2022. By JIM SALTER Associated Press O'FALLON, Mo. — The St. Louis Zoo plans to use land it owns in a rural area of Missouri as habitat for a wolf breed on the verge of extinction, zoo officials said Monday. Only about 20 American red wolves remain in the wild due mostly to illegal hunting, vehicle strikes and habitat loss. Plans call for wolves to live and breed on the Sears Lehmann Jr. Wildlife Reserve, a protected setting that was donated to the zoo in 1993. The reserve is in Franklin County, Missouri, about 40 miles southwest of St. Louis.