292 | Jonathan Birch on Animal Sentience

2540.58 - 2566.331 Jonathan Birch

So in terms of cases where we have enough evidence to really compel us to take seriously a realistic possibility of sentience, we're definitely talking about all vertebrates and the cephalopod mollusk, like octopuses, squid, cuttlefish, and the decapod crustaceans and the insects that are both arthropods. And then... It could be that we're talking about something that has evolved three times.