Once deadly hunters that ran wild in woods, modern-day dogs have lost much of their silent communication. It is believed that dog domestication may have started as far back as 36,000 years ago, but other studies suggest it could be as recent as 15,000 years ago. During this process dog behaviour was Severely simplified.
While wolves relay information with minute changes in posture, facial expression and tail position, domestic dogs use a watered-down dialect without the full detail of their wild counterparts. What we now recognise as pets can still communicate this way though, especially if kept in groups rather than alone. Domestic dogs use a watered-down dialect without the full detail of their wild counterparts.