"Domestic dogs have a novel historical past — they've lived along with human beings for 30,000 yrs, and during that time, collection pressures appear to have acted on dogs' ability to communicate with us." natural - unthinking; prompted by (or as though by) instinct; "a cat's natural aversion to drinking https://andrejbyli.activoblog.com/40097846/indicators-on-dog-behavior-support-you-should-know