How to Understand Your Dog's Vocal Language

A dog's vocal language tells you a lot about what is going on on the outside world. Just look at it (and try to see what it's telling you), the next time your dog barks uncontrollably and you don't know why? They may know something that you don't know. You'll find a lot about how to decipher these signs/language, after reading this article.

Part1

Barks

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   Learn what your dog means when their barks are loud and frequent. Loud and frequent means he's announcing to the others that he's the ruler of the roost.
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   Learn what your dog means when their barks are loud and frequent and accompanied by snarls. Loud and frequent, accompanied by snarls means that he thinks he's being challenged, and is announcing that a fight to the interloper is about to begin.
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   Learn what your dog means when their barks are rapid, crisp and continuous.Those barks means he's letting you know that a stranger is approaching.
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   Learn what your dog means when their barks are rapid and crisp (of only a frequency of one or two barks). Those are just a greeting bark to a familiar person.
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   Learn what your dog means when their barks are high-pitched and playful (lasting about three or four times). Those barks means he's happy and wants to share his good mood with you.
   
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   Learn what your dog means when their barks are very high-pitched and frequent. Those barks means he wants you to pay attention to him (such as going for a walk).
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   Learn what your dog means when their barks are low-pitched, crisp, and single. These barks means he's telling you that you've gone too far. He wants you to back off and give him a little space, and some time to relax.
8. 8
   Learn what your dog means when their barks are like low murmuring. These mean he's detected something that he doesn't understand(unfamiliar sound/scent). he's frustrated by his inability to understand what you want from him.
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   Learn what your dog means when their barks are single but are of a high-pitched yip. This bark means he may have experienced a moment of pain. Check him for boo-boos of sharp objects or ticks/insects carefully.

Part2

Growls

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   Learn what your dog means when their growls are quiet and low. These growls mean he wants you to back off and leave him alone. If he tell you this when he encounters a strange dog, back off and listen to him.
2. 2
   Learn what your dog means when their growls are quiet, low, and end with a short, sharp bark. This growl is an aggressive response to a threat, and it's apt to be followed by a snap/bite. If it's a strange dog, leave well enough alone. If he's yours, don't immediately try to assert your dominance. Wait until the mood changes for comfort.
3. 3
   Learn what your dog means when their growls are medium-loud, medium pitched, but seem to be growing into a bark. This growl means he's prepared to stand up for himself, even though he's unsure what the outcome will be.
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   Learn what your dog means when their growls are low and murmuring. This growl is a sign of contentment.

1. 1
   Learn what your dog means when their whimpers are hesitant. Your dog is fearing the unknown. It is the sound dogs make in the vet's waiting room. A sooth pat and some soft encouraging words will help him cope.
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   Learn what your dog means when their whimpers are of a persistent whine.These reflect an intensification of anxiety (seriously full bladder at the door). Therefore, it could be thought that these can be a plea for help.
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   Learn what your dog means when their whimpers are of a low-pitched whine.These mean that he's waving a white flag, hoping to avoid a fight, in which he expects he'll get pummeled.