How do you know if your dog is play growling during tug-a-war?

 Dogs use body language a lot more than vocalizations. I know when my dogs are playing growling by several signs. If their lips are loose and relaxed, they're playing. If pulled back taut and showing a lot of teeth, it's serious. If their tails are wagging like crazy, up high, then it's a happy signal. If the tail is straight out, low, wagging slowly or just the tip is wagging, it shows stress and not a good sign. If the shoulders are low and the front paws forward with the back end high, the dog is playing and inviting play. If the hind legs are tense and the rear is low, the dog is not playing around but watching for a chance to spring. If the eyes are relaxed and eyelids droopy or eyes partially closed, that's a sign of the dog being comfortable and happy. If wide open and especially if you can see the whites of the eyes, the dog is worried and hyper-alert. And depending on the type of ears, generally, if the ears are upright and forward, the dog is very alert to signs of danger. If pulled back and tight against the head, the dog is stressed and likely ready to lash out. If ears are relaxed, floppy, swiveling around, the dog is paying attention but not worried or angry. Remember that all dogs are different. These are just the general signals. Also, do not cut off your dog's ears or tail. There is really no reason to mutilate a dog like that and it limits the signals your dog can give you and other dogs about how it's feeling.

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