- Issues include but are not limited to: animal welfare, animal rights, vegetarian and vegan concerns, humane education, wildlife habitat conservation, traditional medicine, zoos, safari parks, circuses, the fur trade, elephants, bears, tigers, wolves, dogs, cats, etc.
- API's mission is to advocate for the protection of animals from cruelty and exploitation.
- Ark Animals is an on-line magazine dedicated to the topics of exotic and captive wildlife. Topics range from behavior, training, enrichment, and related issues such as conservation, education and research that affects animals.
- The Born Free Foundation is an international wildlife charity working with compassion to prevent cruelty, alleviate suffering and encourage everyone to treat all individual animals with respect.
- The organization was founded to work for the removal of the nonhuman great apes from the category of property, and for their immediate inclusion within the category of persons. Their long-term goal is a United Nations Declaration of the Rights of Great Apes.
- The major aim of ZooCheck New Zealand is to promote captive wildlife issues.
- Website bringing facts about cruelty in American Zoos.
- Zoo Check reports on the condition of Canadian zoos and their animals - very interesting reading!
- Zoo Outreach Organisation is like a "Friends of the Zoo" for South Asian Zoos.
- ZooWatch is a UK webportal to sites related to zoological parks and gardens in the UK and Eire