2014
DOI: 10.1098/rspb.2014.0460
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The use of network analysis to study complex animal communication systems: a study on nightingale song

Abstract: The singing of song birds can form complex signal systems comprised of numerous subunits sung with distinct combinatorial properties that have been described as syntax-like. This complexity has inspired inquiries into similarities of bird song to human language; but the quantitative analysis and description of song sequences is a challenging task. In this study, we analysed song sequences of common nightingales (Luscinia megarhynchos) by means of a network analysis. We translated long nocturnal song sequences … Show more

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Cited by 67 publications
(71 citation statements)
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References 49 publications
(64 reference statements)
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“…The organization of phrase types into small-world themes is not unique to Cassin's Vireos. The same finding has been identified in California Thrashers (Sasahara et al 2012), Southern House Wrens (Deslandes et al 2014) and Nightingales (Weiss et al 2014). A similar hierarchical song structure has been qualitatively described in Rock Wrens (Kroodsma 1975), though the author did not employ the same network-based approach to quantify the strength of the pattern.…”
Section: Discussion Sequential Arrangement Of Phrasessupporting
confidence: 48%
“…The organization of phrase types into small-world themes is not unique to Cassin's Vireos. The same finding has been identified in California Thrashers (Sasahara et al 2012), Southern House Wrens (Deslandes et al 2014) and Nightingales (Weiss et al 2014). A similar hierarchical song structure has been qualitatively described in Rock Wrens (Kroodsma 1975), though the author did not employ the same network-based approach to quantify the strength of the pattern.…”
Section: Discussion Sequential Arrangement Of Phrasessupporting
confidence: 48%
“…But of course, to the extent that they Bmean^any-thing, these bark strings all mean the same thing. Some birds do more than this, acquiring quite complex and structured song repertoires via vocal learning, with basic elements numbering in the thousands (Kroodsma & Parker, 1977) and an unlimited variety of orderings (Hultsch & Todt, 1989;Weiss, Hultsch, Adam, Scharff, & Kipper, 2014), and listeners show clear awareness of different song types (Naguib & Kipper, 2006;Naguib & Todt, 1997). While such complex repertoires are far from trivial, and their strings differ discriminably from one another, they do not communicate equally complex semantic messages.…”
Section: Hierarchical Syntaxmentioning
confidence: 99%
“…For example, European starling populations that live in colonies exhibit more complex dialect patterns than those nesting individually, where certain song elements completely lack variation (Snowdon and Hausberger, 1997). However, only a few studies have investigated birdsong at the social network level (Sasahara et al, 2012;Weiss et al, 2014), and linking network structure to natural dialects is challenging. In contrast, social networks in humans have been studied extensively in many fields (Jackson, 2008).…”
Section: Directional Biases In Song Learning Stabilize Feature Distrimentioning
confidence: 99%