Dogs Speak with Their Body Learn to Read Their Emotions! Dogs are social animals that communicate effectively through body language. Their posture, tail, ears, eyes, and mouth can reveal a wide range of feelings. Posture Relaxed: Calm and comfortable head and tail in neutral position. Alert: Head and tail raised attentive and curious. Defensive: Rigid body, head and tail down feeling threatened. Tail High: Confidence and happiness. Low: Submission. Wagging: Excitement or joy. Ears Forward: Interest and alertness. Pulled back: Fear or nervousness. Droopy: Sadness. Eyes Bright: Happiness and enthusiasm. Dull: Sadness or discomfort. Fixed gaze: Focused and alert. Watching these signs can help you understand your dogs emotions better