The data about bat mortality at wind farms were collected from the years 2007-2011 in five regions of Poland. The cases of mortality were confirmed for 7 bat species: Vespertilio murinus, Eptesicus nilssonii, Eptesicus serotinus, Pipistrellus pipistrellus, Pipistrellus pygmaeus, Pipistrellus nathusii and Nyctalus noctula. 5 species were recorded in Pobrzeże Gdańskie (Gdańsk Coast) region, 3
... [Show full abstract] species on Pobrzeże Szczecińskie (Szczecin Coast) and one species in each of the remaining regions. Pipistrellus nathusii was found in three regions and Vespertilio murinus and Nyctalus noctula in two regions.