The sentience scale was a numeric scale used by humans to rate the intelligence of various species. * Alphane and Medusan intelligence was comparable to that of humans. * Treecats of Sphinx: * real intelligence ≈ 1.00 * dissimulation = 0.83 * Gremlins of Beowulf < 0.83 (slightly) * Dolphins of Earth < 0.83 (slightly) * Amphors of Barstool = 0.70 (SK1) * Barthoni ? Other animals that might also be considered a sentient species: Terran great apes were not mentioned.