While some philosophers disagree, most dog and cat owners know their pets experience emotions. Researchers recently asked pet owners about the number and types of emotions they observed in their cats and dogs. There were significant individual differences in the degree to which owners thought their pets experienced emotions.
Herzog, H. 2023. What Do Pet Owners Believe About Dog and Cat Emotions?Psychology Today, 30 March, https://www.psychologytoday.com/intl/blog/animals-and-us/202303/what-do-pet-owners-believe-about-dog-and-cat-emotions