While in Ainhoa you will come across semi-wild ponies called Pottok. These stocky and resilient ponies are well adapted to mountain life, as they are able to predict weather conditions, moving to valleys in the cold and upland in warmer weather and develop a type of fur in winter.
Pottok have lived in the Basque Country for several thousand years, and efforts are being made to ensure their survival, since they are considered iconic. They are usually shy, but some may allow you to approach them if you are careful.