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The current study was designed to measure the ranging acuity of the nectarivorous bat Glossophaga soricina under semi-natural conditions. Three free-flying bats were trained to discriminate between a stationary loudspeaker membrane and a membrane sinusoidally vibrating at 10 Hz. At detection threshold, the average peak-to-peak displacement of the vibrating membrane was 13 mm, corresponding to an echo delay jitter of 75\u2002\u03bcs. The perceived jitter from call to call, which depends on the pulse interval and the call emission time relative to the membrane phase, was simulated for comparison with the virtual jitter experiments. This call-to-call jitter was between 20 to 25\u2002\u03bcs (ca. 4 mm ranging acuity). These thresholds between 20 and 75\u2002\u03bcs (4\u201313 mm) fall within both ecologically and physiologically plausible ranges, allowing for sufficiently precise navigation and foraging.<\/jats:p>","DOI":"10.1121\/1.3445784","type":"journal-article","created":{"date-parts":[[2010,9,7]],"date-time":"2010-09-07T13:30:24Z","timestamp":1283866224000},"page":"1467-1475","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":14,"title":["Sonar detection of jittering real targets in a free-flying bat"],"prefix":"10.1121","volume":"128","author":[{"given":"Holger R.","family":"Goerlitz","sequence":"first","affiliation":[{"name":"Ludwig-Maximilians-University Munich Department of Biology II, Neurobiology, , Gro\u00dfhadernerstra\u00dfe 2, 82152 Martinsried, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cornelia","family":"Geberl","sequence":"additional","affiliation":[{"name":"Ludwig-Maximilians-University Munich Department of Biology II, Neurobiology, , Gro\u00dfhadernerstra\u00dfe 2, 82152 Martinsried, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lutz","family":"Wiegrebe","sequence":"additional","affiliation":[{"name":"Ludwig-Maximilians-University Munich Department of Biology II, Neurobiology, , Gro\u00dfhadernerstra\u00dfe 2, 82152 Martinsried, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"231","published-online":{"date-parts":[[2010,9,3]]},"reference":[{"key":"2023071520190302500_c1","doi-asserted-by":"publisher","first-page":"505","DOI":"10.1121\/1.385479","article-title":"Echo phase perception in bat sonar?","volume":"69","year":"1981","journal-title":"J. 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