The Potter Park Zoo is a 102-acre (41.3 ha) zoo located in Lansing, Michigan, within Lansing's Potter Park. Potter Park Zoo is the oldest public zoo in Michigan and is currently home to over 160 species of animals. The zoo is owned by the City of Lansing, and operated by Ingham County. The zoo participates in the Association of Zoos and Aquariums (AZA) Species Survival Plan (SSP) designed to manage and conserve threatened or endangered animals. The Michigan State University College of Veterinary Medicine partners with the zoo to provide medical care for its animals. Zoo membership in 2008 was about 2,800 families, or a total of 10,000 people.