"The underground galleries hold ten species of wintering bat in reasonable numbers including the rare and Shreiber's bat Miniopterus schreibersi, lesser horseshoe bat Rhinolophus hipposideros (VU), long-fingered bat Myotis capaccinii (VU), greater mouse-eared bat M. myotis, Savi's pipistrelle Pipistrellus savii and western barbastelle Barbastella barbastellus (VU)."