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Call order within bouts was investigated using call transition frequencies and information theory techniques. Call bouts were defined through analysis of inter-call intervals, as any calls within 3.9\u2009s of each other. Bouts were produced significantly more when new whales joined a group compared to groups that did not change membership, and in groups containing multiple adults escorting a female and calf compared to adult only groups. Although social calls tended to be produced in bouts, there were few repeated bout types. However, the order in which most call types were produced within bouts was non-random and dependent on the preceding call type. These bouts appear to be at least partially governed by rules for how individual components are combined.<\/jats:p>","DOI":"10.1121\/1.4921280","type":"journal-article","created":{"date-parts":[[2015,6,20]],"date-time":"2015-06-20T00:30:22Z","timestamp":1434760222000},"page":"3042-3053","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":46,"title":["Non-song social call bouts of migrating humpback whales"],"prefix":"10.1121","volume":"137","author":[{"given":"Melinda L.","family":"Rekdahl","sequence":"first","affiliation":[{"name":"The University of Queensland School of Veterinary Science, Cetacean Ecology and Acoustics Lab, , Gatton, Queensland 4343, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rebecca A.","family":"Dunlop","sequence":"additional","affiliation":[{"name":"The University of Queensland School of Veterinary Science, Cetacean Ecology and Acoustics Lab, , Gatton, Queensland 4343, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anne W.","family":"Goldizen","sequence":"additional","affiliation":[{"name":"The University of Queensland School of Biological Sciences, , St. Lucia, Queensland 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ellen C.","family":"Garland","sequence":"additional","affiliation":[{"name":"University of St. Andrews School of Biology, , St. Andrews, Scotland KY16 9QQ, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicoletta","family":"Biassoni","sequence":"additional","affiliation":[{"name":"University of St. Andrews Sea Mammal Research Unit, , St. Andrews, Scotland KY16 9QQ, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick","family":"Miller","sequence":"additional","affiliation":[{"name":"University of St. Andrews Sea Mammal Research Unit, , St. Andrews, Scotland KY16 9QQ, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael J.","family":"Noad","sequence":"additional","affiliation":[{"name":"The University of Queensland School of Veterinary Science, Cetacean Ecology and Acoustics Lab, , Gatton, Queensland 4343, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","reference":[{"key":"2023080206244004300_c1","doi-asserted-by":"publisher","first-page":"1838","DOI":"10.1121\/1.2953314","article-title":"Syllable acoustics, temporal patterns, and call composition vary with behavioral context in Mexican free-tailed bats","volume":"124","year":"2008","journal-title":"J. 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