Dog Growls & growling. Why do dogs growl

• Soft low pitch growl: Threatening growl. It'd be wise to step away and give it some room.
• Growl that comes from a bark, low pitch: Willing to fight. If the dog is provoked it will fight.
• Growl that comes from a bark, high pitch: Insecure dog, which would rather not fight, but it will attack if not left alone.
• Growl combined with a submissive position: Its scared.
• Intense growl, without showing its teeth: Usually heard when playing with the dog. It is simulating a mock attack and it shows it having fun
• what to do if your dog growl at you.

Dog Groans and other sounds

• Soft groans: Pain or fear.
• Continuous groans: "Give me" or "I want".
• Sigh: Shows satisfaction if their eyes are semi closed. If they are open it's a sign of disappointment because something didn't happen that it expected or simple boredom.
• Howls: Communication with their kind.
• Gasping: Excitement, wanting to play or simply heat.
• Dog Growling
• Dog behavior growling