Tail swishing

The tail lashes sharply or repeatedly. It can be flies, but also irritation, tension or pain.

Tail swishing: The tail lashes sharply or repeatedly. It can be flies, but also irritation, tension or pain.
Read the combination and the context. Always read this signal together with the rest of the body and the situation.

What you see

The tail moves forcefully, sharply or repeatedly from side to side or up and down, more strongly than the gentle chasing of flies.

What it can mean

  • Chasing flies or relieving itch, especially in the warm season.
  • Irritation or impatience, for example with repeated aids or touch.
  • Tension or pain: a lot of hard tail swishing is one of the ridden horse pain ethogram behaviours.

What this does not prove

Tail swishing does not prove unwillingness or stubbornness. Under saddle especially, persistent swishing is often a sign of discomfort, tension or pain, not of resistance.

Read the combination and the context

Check whether there are flies. Under saddle, note the combination with ears, mouth tension, visible eye white and the quality of the gait. Several pain behaviours together weigh heavily.

When to seek help

Persistent or violent tail swishing without flies, especially together with other pain behaviours while ridden, should be investigated by a vet.

This section helps you observe; it does not diagnose. Behaviour alone does not prove pain or illness. New or clear signs of pain and unexplained changes in behaviour should be assessed by a veterinarian.

Discover more

Tail relaxedTest your knowledge in the quizAll signals

Sources: Dyson, S. (2022), Equine Veterinary Education (BEVA) · American Association of Equine Practitioners (AAEP) · McGreevy, P. (2012), Saunders/Elsevier.