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Understanding a Dog's Tail Language: Decoding the Meaning Behind Tail Movements
A dog's tail conveys certain meanings through movement, reflecting its level of intelligence, social status and inner feelings. Tail wagging can appear in dogs as early as 20 days of age. Information is generally conveyed through three channels: posture, movement and shape. Because a dog's eyes are more sensitive to movement than to colour or shape, it uses tail wagging to communicate. 1. Stiff and extended straight out: this generally carries an aggressive meaning, a way of issuing a challenge when facing strangers and intruders. It can also be used when two dogs that do not know each other meet for the first time, as a rather cautious greeting.