This category describes species that have demonstrated an advanced level of civilization and technology.
“The Arcturians are an extraterrestrial species known to interact with the human race. Little is...Arcturian
This category has only the following subcategory.
- [+] Synthetics (1 C, 42 P, 1 F)
Pages in category "Sentient species"
The following 14 pages are in this category, out of 14 total.