Species of non-human intelligent beings

There are many alleged species of non-human intelligent beings (NHIBs). Biological corporeal NHIBs, according to various witnesses and investigator accounts, belong to distinct species in that, via their usual mode of reproduction, they can only interbreed with other members of their species. Non-biological and/or non-corporeal NHIBs are included here as well, with their species-hood either left unspecified or described to the extent information is available.