Friends of the National Zoo (FONZ) - FONZ is a nonprofit education organization that supports the U.S. National Zoo. Site includes a library of animal facts and activities for kids.
US National Zoo Web Site - A behind-the-scenes glimpse of the US National Zoo, its programs, people, plants and animals. Includes multimedia exhibit tours.
Zoo Check New Zealand - Zoo Check NZ committed to the promotion of conservation of wildlife in the wild and protection of captive wildlife