Thailand has fifteen designated reserved wild animal species, which are defined by the Wild Animal Reservation and Protection Act of BE 2535. It is prohibited by law to hunt, breed, possess or trade any of such species, except when done for scientific research with permission from the Permanent Secretary of National Park, Wildlife and Plant Conservation, and breeding and possession by authorised public zoos. The fifteen reserved species are: Of these fifteen species, at least one (the Schomburgk's deer) is already extinct.