A 30-year-old man in the province of Toledo in the autonomous region of Castilla-La Mancha was rushed to Hospital Virgen de la Salud at around 19.30 on Saturday February 27 after being biten by a rattlesnake.
The provincial Civil Guard set up a local search team to locate the snake after the incident in the village of La Puebla de Montalban.
Sources from the Government Delegation in Castilla-La Mancha said that additional resources from municipal police have been drawn to the area as well as the Nature Protection Service Seprona to find the snake.
The villages have also set up a facebook page to coordinate the search.
The victim is still being treated in the Intensive Care Unit (ICU).
Rattlesnakes are not native to the Iberian Peninsula.