UniversityofBath OP t1_iqwzbup wrote on October 3, 2022 at 6:32 PM

Reply to comment by TopSloth in Hi, I’m Kit Yates. I’m a mathematical biologist at the University of Bath. I’m also a popular science author and a member of the scientific advisory group Independent SAGE by UniversityofBath

Wow it's a fascinating question and one which goes beyond my expertise as I don't work in evolution.
As far as I understand though we already have several species of non-human animals which would be considered sentient, but to some degree it depends on your definition.