MARC BEKOFF: In an email a few weeks ago, 13-year-old Marta asked me: Are chimps and dogs more sentient than rats and hamsters? Is my dog Harry more sentient than my hamster Millie? Do mammals suffer more than birds, fishes, and other vertebrates and invertebrates?… Asking if a dog is smarter than a cat or … Continue reading Marc Bekoff: Are chimps and dogs more sentient than rats and hamsters?