AUTHORS: ADRIAN IONASCU1, NICOLAI CRACIUN1,2, BOGDAN-MIHAI NEGREA1,3
1Ecological Society for the Study and Protection of Wild Flora and Fauna AQUATERRA, Splaiul Independentei 91-95sector 5, Bucharest, Romania;
2Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95sector 5, Bucharest, Romania;
3University of Liege and Agro-Bio Tech Gembloux, Gembloux 5030, Bat G1, Passages des Deportes 2, Belgium; E-mail: *aionaro2001@yahoo.com; nicolae.craciun@yahoo.com; bogdannm@yahoo.com
Abstract: In August 2015 we conducted field studies on bat fauna of the upper Bistrita river valley. They were conducted through ultrasonic microphone records on fixed stations. Were identified a number of 17 species of bats: Nyctalus leisleri, Nyctalus noctula, Eptesicus serotinus, Eptesicus nilssonii, Myotis dasycneme, Myotis nattereri, Myotis myotis/blythii, Myotis daubentonii, Barbastella barbastellus, Myotis brandti/mystacinus, Myotis bechsteinii, Pipistrellus nathusii, Pipistrellus kuhli, Pipistrellus pipistrellus, Vespertilio murinus. The most abundant species are: northern bat (Eptesicus nilssonii), Leisler`s bat (Nyctalus leisleri), serotine bat (Eptesicus serotinus) and common pipistrelle (Pipistrellus pipistrellus). Key Words: bat species, field studies, abundance, ultrasonic microphone.
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