What's the significance of piloerection in cats?
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“Careful examination of the cat shows piloerection down the dorsum. This is evidence of heightened arousal and reactivity, and suggests that such reactions are not focusing on friendly, inclusive behaviors. Piloerection always goes with behaviors signaling a decreased affiliative tendency.”
-Karen L. Overall, VMD, PhD, DACVB
From Watching the cues will help unlock clues to feline communication