That presumes that there is non-human sentience on Earth, which is not a given. Given that it's been impossible to teach apes anything like real language (they

That presumes that there is non-human sentience on Earth, which is not a given. Given that it's been impossible to teach apes anything like real language (they have been taught a few signed words), my guess is there are not any truly sentient non-human beings on this planet, where "sentient" means you can communicate with words and a grammar. My cat excepted.