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1 December 2008 Syntactical complexity of songs in the Black-browed Reed Warbler Acrocephalus bistrigiceps
Shoji Hamao
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Abstract

The transition patterns of syllables (syntactical complexity) in songs of the Black-browed Reed Warbler (Acrocephalus bistrigiceps) were more complex than previously measured in the domestic bird, the Bengalese Finch (Lonchura striata var. domestica). Syntactical complexity was correlated with song duration (song length), which implies that these song characteristics have a similar function, probably in sexual selection. Syntactical complexity was not correlated with repertoire size (the number of syllable types), which is another presumable sexually selected trait but may not be important in this species, as previously suggested. Future studies on birdsongs should focus on not only repertoire size but also syntactical complexity.

Shoji Hamao "Syntactical complexity of songs in the Black-browed Reed Warbler Acrocephalus bistrigiceps," Ornithological Science 7(2), 173-177, (1 December 2008). https://doi.org/10.2326/1347-0558-7.2.173
Received: 7 May 2008; Accepted: 3 October 2008; Published: 1 December 2008
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KEYWORDS
Acrocephalus bistrigiceps
Black-browed Reed Warbler
Repertoire size
song complexity
syntactical complexity
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