Assisting in the location of lost pets; making pet identification implantable radio frequency identification devices available to others for security, identification and location purposes; making pet identification tags available to others for security, identification and location purposes; operating a pet recovery service through the registration of pets and their human guardians and maintaining a database by collecting, organizing and providing pet and guardian specific information and advice useful in locating missing pets and reuniting them with their guardians; such services being provided through multiple channels including, the Internet, radio frequency devices, global positioning system devices, telephone, electronic mail, telefax and regular mail