*Distance “increasing” Signals
(GO AWAY or Minimize Contact)

• Staring
• Snarling (lips are lifted vertically. The line formed be the lips is short)
• Ears erect or flat (no breed difference but can be VERY subtle)
• Tension in the body or face
• Stance. (particularly changes in the head/neck position, either raised or lowered)
• Piloerection (raised hair on back or shoulders. Also known as hackles)
• Urination and Ground- Scratching; marking territory
• Tail straight up or arched over back
• Wagging just the tip of the tail, or wagging in short sharp arc with tail held “up” over the back as much as the structure of the dog will allow
• Stalking
• Brief “look away” at a very tense moment.
  
  * List taken from “Aggression in Dogs” By Brenda Aloff