North Eastern Wisconsin Zoo
- Green Bay. General information, volunteer opportunities, membership, and special events.
- http://www.thenewzoo.com/

Wilderness Walk
- Hayward. A zoo and recreation park. Includes hours, rates, and events.
- http://www.haywardlakes.com/wildernesswalk.htm

Bear Den
- Waterford. A wildlife zoo and petting farm. Includes visitor information, photos, and special events.
- http://www.beardenzoo.com/

Lincoln Park Zoo
- Manitowoc. Features visitor information and summary of programs and events.
- http://www.manitowoc.org/parkandrec/Zoo/zoo.htm

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 conser
- http://www.savingcranes.org/

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.
- http://www.racinezoo.org/

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.
- http://www.vilaszoo.org

Milwaukee County Zoo
- 2500 animals representing 300 species on 200 acres. General information, a zoo map with exhibit information, conservation bulletins, and zoo history.
- http://www.milwaukeezoo.org/