There was a time that science didn't think Animals could feel pain. In recent years, some scientists perceive that Animals may have a sense of humor because they appear to like being tickled. The bar hasn't risen that much if you ask the phenomenally intuitive, intelligent and sentient beings known as "animals" to us with whom we share this planet. Take a look inside at the healing power of humor as they know it to be.

https://www.livescience.com/60864-do-animals-have-humor.html

https://aldf.org/article/brussels-recognizes-animals-as-sentient-beings-distinct-from-objects/

https://lizanneflynn.com/