New data on the bats (Mammalia: Chiroptera) of the Drinos Valley, Vjosa Wild River National Park Southern Albania
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Date
2026-03-18
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Plovdiv University "Paisii Hilendarski"
Abstract
Albania's bat fauna is rich but still poorly studied and subject to numerous pressures. One immediate pressure includes the plans to build hydroelectric dams on the Vjosa River and its tributaries, recently classified as a national park. This study was part of an international movement to improve knowledge of both a taxonomic group and a geographical area that have not been studied extensively, to take them into account for conservation purposes. In June 2022, 15 passive bat acoustic sampling sites were set up in four distinct sectors along the Drinos and Suha Rivers, two tributaries of the Vjosa. The Drinos River was included within the national park boundaries in 2023. These recordings were analyzed using automatic identification software and manually verified. Our study identified 16 of the 32 species known to occur in Albania, of which four had fewer than 25 previous records in Albania: Myotis bechsteinii, Myotis emarginatus, Myotis nattereri, and Rhinolophus blasii. Our results highlight a high level of activity observed at the sampling sites and the importance of alluvial and riparian hydroecosystems for bats. This study supports the need to take bats into account in the management plans and projects of the Vjosa Wild River National Park. It also produced 135 additional bat records for the country, adding to the 1243 national records.
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Keywords
Albania, bats, Drinos Valley, Vjosa Wild River National Park