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Acoustic characteristics of the echolocation call of the disc-footed bat, Eudiscopus denticulus (Osgood, 1932) (Chiroptera, Vespertilionidae)

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The disc-footed bat Eudiscopus denticulus is a rarely encountered Southeast Asian species whose behaviour, ecology and echolocation characteristics are hardly known. As part of a biodiversity survey, echolocation calls of three specimens caught in Vietnam were recorded in a flight tent situation, and their echolocation call parameters are described herewith in detail. The call shape was found to be similar to the typical broadband frequency modulated signal with a narrowband part at the end of the call. Based on the call characteristics this species is predicted as an "edge and open space aerial forager". Our paper also describes a unique call type that has not been mentioned before in the literature. The echolocation call characteristics provided hereby will hopefully facilitate species recognition during acoustic surveys in Southeast Asia and contribute to the conservation of this presumably rare and localized species in the future.
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Document Type: Research Article

Publication date: 01 July 2014

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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