* Neighing loudly: This can be a sign of fear, pain, or separation anxiety.
* Whickering: This is a softer, higher-pitched sound that can indicate a horse is feeling uncomfortable or needs something.
* Snorting: This can be a sign of nervousness or excitement.
* Pinning ears back: This can mean a horse is angry or feeling threatened.
* Lip-smacking: This can be a sign of pain, especially if the horse is also pawing at the ground.
* Tail swishing: This can mean a horse is annoyed or trying to swat away flies.
If you see a horse exhibiting any of these signs, it's important to investigate the reason and make sure they are safe and comfortable.