- Fish Link Central: Public_Aquariums - Links to public aquariums worldwide.
- Petting Zoo Directory - Petting zoos are listed by state or country and then city with short descriptions and links. Also has information about setting up a petting zoo and animal quizzes.
- The Good Zoo Guide Online - Provides descriptions and information on zoos worldwide. Public can contribute to the guide reviewing and adding zoos to the online database.
- Zoos of the World - Links to zoos and conservation sites organized by country.
- Zoos Worldwide - An extensive list of zoos, aquariums and wildlife parks worldwide.
