Dog Behaviour – Sounds, Signs and Signals
Vancouver Vets : Healthy Dog Series
We humans mostly feel comfortable in the company of dogs because they are easy to ‘read’. The facial expressions, tail movement and position, bark and urine mark are all familiar to us in their general expressions, though their detailed integration into an expressive language may not be understood. In practice, an owner becomes highly skilled in detecting the smallest changes in their dog’s well-being and likely next move, just by trial and error. Here is a brief description of canine vocabulary:
- Vocalisation
- Bark: On surprise, defence of territory
- Yap: In play, to solicit attention
- Bark-whine: In distress, to attract attention
- Howl: ‘Here I am’, a contact call
- Growl: Threat, a dominant challenge
- Growl: In play, mock dominance
- Whimper: In submission, to appease
Sound analysis of dog vocalisations reveals many variations of these basic calls for each dog, and further variations between individuals, breeds and possible between sexes.
- Visual signs
- Ears: Forward/back
- Lips: To hide/reveal pigmentation
- Eyes: Lid opening and papillary dilation
- Neck: Angle and hair erection
- Back: Height and hair erection (the ‘hackles’)
- Tail: Hair movement and height – a thousand variations
- Body: Stand, squat, roll-over (inquinal...