- American Zoo and Aquarium Association (AZA)
 - This service has been designed to provide information about the many zoos and aquariums of the AZA throughout North America, and their many conservation programs. - Dierentuin.Net
- Educatieve site over dieren, links naar alle dierentuinen op het Internet en een database met fotos en teksten van dieren op de wereld. In Dutch.
- Zoos - WWW Virtual Library
- Offers links to zoos, information, and resources.
- Zoos of Russia
- News and information for all Russian zoos.
- Good Zoo Guide Online, The
- Online guide to the zoos, wildlife parks and animal collections worldwide, featuring reviews and information on zoo-related issues including research and conservation.
- Attractions.com
- Lists family-friendly attractions nationwide including amusement parks, zoos, museums, rodeos, festivals, National Parks, sightseeing tours, and others.
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