Some Pet breeds have fall, as opposed to erect ears, or shorter skulls. In fact, there’s a lot more variation in just domestic dog breeds than all another species from the Canidae natural - unthinking; prompted by (or just as if by) instinct; "a cat's natural aversion to drinking water"; https://what-does-thca-do-to-the66666.qodsblog.com/35776223/the-dog-digestive-health-diaries