Dogs communicate pleasure, happiness, excitement, and affiliation through their vocalizations. The most common sounds of pleasure are moans and sighs, although dogs also use whines and growls to communicate happiness. Low-pitched moans are very common in puppies and are signs of contentment.

Why does my dog groan when I pet him?

If you are petting your dog and he starts groaning, this shows that he is delighted and wants you to continue. This reaction is similar to what human beings experience during a massage when tension is leaving their muscles. Groaning after activity shows your dog is tired and is ready for some rest.

What do dog groans mean?

Dogs sigh and groan to show contentment and disappointment. ... If your dog pesters you to play or go for a walk, however, and then flops down on the ground and lets out a long sigh or groan, she could be disappointed that she has not gotten what she wants.