Centuries ago the farmers of Extremadura (the region of Spain where Monfragüe is situated) discovered that the forests of evergreen oak that covered the land could provide essential shade and sustenance for their flocks.
Sajandeid tagasi avastasid Extremadura (piirkond Hispaanias, kus Monfragüe asub) karjused, et igihaljad tammikud pakuvad nende karjadele vajalikku varju ja toitu.