Abstract
I analysed bat fatalities reported from 56 wind farms in the La Rioja, Soria and Aragón regions of northern Spain. Post-construction monitoring surveys revealed 147 fatalities belonging to seven species of bats, namely Pipistrellus pipistrellus (59%), P. kuhlii (14%), Hypsugo savii (18%), Barbastella barbastellus, Nyctalus lasiopterus, N. leisleri and Tadarida teniotis (