Rescued Animals Animal rescue organizations have also been created to rescue and rehabilitate wild animals , such as lions, tigers, and cheetahs; a job which is normally shared or backed by zoos and other conservation charities. These animals are normally released back into the wild where possible, otherwise they will remain in captivity and may be used in breeding for an endangered species. Widely recognized as an umbrella organization for animal rescue groups, is an online, searchable database of more than 13,000 shelters and adoption agencies across the United States, Canada and Mexico.The American Kennel Club maintains a list of contacts, primarily within breed clubs, with information on breed rescue groups for purebred dogs in the United States .