A wagging tail is often a sign of happiness, but it can also mean other things, such as excitement, nervousness, or aggression.
Licking is a way for dogs to show affection, but it can also be a sign of submission or anxiety.
Ears that are pointed up and forward are often a sign of alertness or excitement. Ears that are laid back may be a sign of submission or fear.
Dogs with wide-open eyes are often paying attention to something or someone. They may also be feeling anxious or stressed.
Panting is a way for dogs to cool down, but it can also be a sign of stress, anxiety, or excitement.
Teeth baring is a sign of aggression. If a dog bares its teeth, it is best to back away slowly and avoid eye contact.
Growling is another sign of aggression. If a dog growls, it is important to take it seriously and try to de-escalate the situation.