The cuckoos of the coat of arms Curiosity · Castellanos de Villiquera, La Armuña, Salamanca Image of Castellanos de Villiquera, not of the place itself. The residents are called «cucos» after the two birds of that name that appear on the coat of arms behind the high altar of the parish church of San Juan Bautista, held in the village to be the settlement's own arms. Photo: José Antonio Gil Martínez (CC BY 2.0) What to see and do in Castellanos de Villiquera