{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T05:45:31Z","timestamp":1791351931204,"version":"4.3.1"},"reference-count":23,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2013,5,31]],"date-time":"2013-05-31T00:00:00Z","timestamp":1369958400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ecology and Evolution"],"published-print":{"date-parts":[[2013,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Audio recordings made from free\u2010ranging animals can be used to investigate aspects of physiology, behavior, and ecology through acoustic signal processing. On\u2010animal acoustical monitoring applications allow continuous remote data collection, and can serve to address questions across temporal and spatial scales. We report on the design of an inexpensive collar\u2010mounted recording device and present data on the activity budget of wild mule deer (\n                    <jats:italic>Odocoileus hemionus<\/jats:italic>\n                    ) derived from these devices applied for a 2\u2010week period. Over 3300\u00a0h of acoustical recordings were collected from 10 deer on their winter range in a natural gas extraction field in northwestern Colorado. Analysis of a subset of the data indicated deer spent approximately 33.5% of their time browsing, 20.8% of their time processing food through mastication, and nearly 38.3% of their time digesting through rumination, with marked differences in diel patterning of these activities. Systematic auditory vigilance was a salient activity when masticating, and these data offer options for quantifying wildlife responses to varying listening conditions and predation risk. These results (validated using direct observation) demonstrate that acoustical monitoring is a viable and accurate method for characterizing individual time budgets and behaviors of ungulates, and may provide new insight into the ways external forces affect wildlife behavior.\n                  <\/jats:p>","DOI":"10.1002\/ece3.608","type":"journal-article","created":{"date-parts":[[2013,5,31]],"date-time":"2013-05-31T02:49:09Z","timestamp":1369968549000},"page":"2030-2037","source":"Crossref","is-referenced-by-count":47,"title":["The use of on\u2010animal acoustical recording devices for studying animal behavior"],"prefix":"10.1002","volume":"3","author":[{"given":"Emma","family":"Lynch","sequence":"first","affiliation":[{"name":"Graduate Degree Program in Ecology Colorado State University Fort Collins CO 80523\u20101474"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa","family":"Angeloni","sequence":"additional","affiliation":[{"name":"Department of Biology and Graduate Degree Program in Ecology Colorado State University Fort Collins CO 80523\u20101878"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kurt","family":"Fristrup","sequence":"additional","affiliation":[{"name":"Natural Sounds and Night Skies Division National Park Service Fort Collins CO 80525"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Damon","family":"Joyce","sequence":"additional","affiliation":[{"name":"Natural Sounds and Night Skies Division National Park Service Fort Collins CO 80525"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"George","family":"Wittemyer","sequence":"additional","affiliation":[{"name":"Department of Fish Wildlife and Conservation Biology and Graduate Degree Program in Ecology Colorado State University Fort Collins CO 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