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Can echolocation calls of Cuban mormopid bats visualized through a heterodyne system?

dc.contributor.authorMoreno C.R.
dc.contributor.authorSánchez L.
dc.contributor.authorMacias S.
dc.contributor.authorMora E.C.
dc.date.accessioned2020-09-02T22:23:41Z
dc.date.available2020-09-02T22:23:41Z
dc.date.issued2016
dc.identifier10.18475/cjos.v49i1.a4
dc.identifier.citation49, 1, 27-37
dc.identifier.issn00086452
dc.identifier.urihttps://hdl.handle.net/20.500.12728/5446
dc.descriptionIn this study, we evaluate the potential of the heterodyne system for the acoustic identification of bat species from Mormoopidae in Cuba. The heterodyne transformation of the echolocation calls of the three mormoopid species of Pteronotus (P. macleayii, P. quadridens and P. parnellii) was initially analyzed by setting the frequency of the heterodyne detector (f tuned) 5 kHz above and below the constant frequency value of the second harmonic, respectively. We then studied the feasibility for the identification of several Pteronotus species with single ftuned values. The heterodyne transformation of calls from the mormoopid Mormoops blainvillii and four Cuban phyllostomid bats was studied by selecting frequency values contained in the calls of each of the species under study. We showed that, by selecting the appropriate f tuned, the Pteronotus species could be accurately identified based on the spectral signatures of their heterodyned calls. Frequency modulated (FM) bats presented very similar heterodyne signatures and therefore could not be identified to species level. The study points to heterodyne detectors as appropriate to conduct acoustic surveys of mormoopids and other constant frequency (CF) and quasi CF bat species. © Copyright 2016 College of Arts and Sciences University of Puerto Rico, Mayagüez.
dc.language.isoen
dc.publisherUniversity of Puerto Rico
dc.subjectacoustic identification
dc.subjectbat detectors
dc.subjectheterodyne
dc.subjectMormoopid
dc.subjectPteronotus
dc.subjectacoustic survey
dc.subjectbat
dc.subjectdetection method
dc.subjectecholocation
dc.subjectidentification method
dc.subjectsignal processing
dc.subjectCuba
dc.subjectMormoopidae
dc.subjectMormoops blainvillii
dc.subjectPhyllostomidae
dc.subjectPteronotus
dc.subjectPteronotus macleayii
dc.subjectPteronotus parnellii
dc.subjectPteronotus quadridens
dc.titleCan echolocation calls of Cuban mormopid bats visualized through a heterodyne system?
dc.typeArticle


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