When you see these kinds of behaviors be aware. The dog licks his/her lips or yawns but it's not hungry or tired. These behaviors are actually early indicators that your dog is uncomfortable or stressed in his/her current situation. Don't wait until it becomes “Aggressive behaviors like barking, growling, baring of teeth, snapping, and biting are obvious, but they're the end product of stress gone undetected”. If these cues go unnoticed, and the perceived threat remains, the situation can deteriorate and the dog is forced to get very ugly with his/hers behaviors.
When the dog is curled up and his/her ears are flat or his/her tail is tucked in, pay attention your dog's behavior. It might be trying to get away from a situation. If a dog feels trapped or can't leave an anxious situation, he/she might stiffen up, growl, snap, or even bite. Never leave children and a dog alone unsupervised. Children could provoke a stressful situation.
The dog that is wagging his/her tail. A loose, gentle wagging is generally a sign of a relaxed dog who just wants to play. Sometimes the wagging tail is not friendly. If the dog's tail is high, stiff, and moving very fast it's a sign of aggression.
Dog chewing on your furniture. Some dogs chew when alone because of separation anxiety. Puppies chew when teething and exploring. Redirect the chewing by giving the dog a chew toy or buffalo horns.
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