Individual and roost identification using the echolocation calls of wild big brown bats, eptesicus fuscus
Keywords:Acoustic wave transmission, Audition, Biodiversity, Frequencies, Microphones, Phonographs, Acoustic frequencies, Avisoft Recorder USG, Echolocation calls, Energy displays
AbstractA method was developed for individual and roost identification using the echolocation calls of wild big brown bats, eptesicus fuscus under natural conditions. The recordings were done with multi-array condenser microphones and Avisoft Recorder USG. The system allows the recording of a wide range of acoustic frequencies and can provide images of inaudible sounds in waveform, spectrogram and energy displays. The capacity to recognize roost mates play a significant role during foraging and hibernation.
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