Which behavior most clearly indicates a dog is decreasing distance when approaching a person?

• A. Relaxed posture
• B. Moving towards person with loose body
• C. Play bow
• D. Windmill tail

Answer: (D)

When a dog is actively closing the distance to a person, the body language shifts to show both movement and a clear intention to engage. A windmill tail—rapid, broad circular wagging—is a strong sign of high arousal and greeting readiness. It communicates that the dog is excited to get closer and make contact, which directly aligns with decreasing distance. Other cues are less specific to proximity: a relaxed posture suggests calm or waiting, not necessarily approaching; moving toward someone with a loose body does indicate approach but isn’t as unmistakable a signal of imminent contact as a visible, energetic greeting wag; a play bow signals a desire to initiate play rather than specifically reducing distance toward contact. So the windmill tail most clearly reflects the dog actively decreasing distance and preparing to engage.