Dogs communicate primarily through body language. Sometimes, in certain situations, your dog may be giving subtle signs or mixed signals that may be hard to understand. Getting good at “speaking dog” takes some time, but you can learn to be the best with a little practice! Below are links that will help you understand your dog a little better:
Canine Ethogram—Social and Agonistic Behavior by Roger Abrantes
Body Language of Fear in Dogs by Dr. Sophia Yin/Lili Chin
How to Greet a Dog by Dr. Sophia Yin/Lili Chin
Stress and Aggression in Dogs Chart by Turid Rugaas