autillo

Perhaps from the base *aut, imitative of its call, +‎ -illo. Or, from Vulgar Latin *ōtellus, a diminutive of Ancient Greek ὠτός (ōtós), genitive of οὖς (oûs, “ear”), referring to its ears.

autillo m (plural autillos)

1. screech owl, scops owl

• “autillo”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014
• Roberts, Edward A. (2014) A Comprehensive Etymological Dictionary of the Spanish Language with Families of Words based on Indo-European Roots, Xlibris Corporation, →ISBN, p. 190