A horse's first instinct if it is afraid is to run.
flight or fight and if it is afraid it is going to have a flight instinct
When a horse is frightened or afraid their first instinct is to Flee, run or get away. known as spooking.
to bite
Bolt.
A horse's first instinct when frightened or startled is to run away. The second instinct is to fight in order to protect itself.
run away
For Howrse it's answer is Flee.
horses first instinct is to run, to get away from whatever is scaring them and if all else fails, defend itself. -HorseOwner
First it will flee.
its first instinct is usually to flee from that person but depends how scared it is if its not that scared it will just bite
flee, runaway, yes i do play howrse
flee