North Eastern Wisconsin Zoo - Green Bay. General information, volunteer opportunities, membership, and special events. International Crane Foundation - Baraboo. Works worldwide to conserve cranes and their wetland habitats. Maintains a captive crane population for breeding and reintroduction to the wild. Site has visitor information, crane photos and detailed information, special events, news, and conservation information. Henry Vilas Zoo - Madison. 28 acres, includes children's zoo. General information, education program summary, a virtual tour, animal photos, descriptions and sounds, coloring pages, activities and games, and special events. Milwaukee County Zoo - 2500 animals representing 300 species on 200 acres. General information, a zoo map with exhibit information, conservation bulletins, and zoo history. Racine Zoo - Racine. 250 animals representing 76 species on 32 acres. Site has general information, a zoo history, membership information, animal photos and descriptions, news, and special events. Lincoln Park Zoo - Manitowoc. Features visitor information and summary of programs and events. Bear Den - Waterford. A wildlife zoo and petting farm. Includes visitor information, photos, and special events.