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Local and range-wide distribution of song types suggest Ovenbirds(Seiurus aurocapilla)have song neighborhoods but not macro-dialects

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Avian Research 2023年第2期14卷 191-199页

作者： Patrick M.Jagielski Jennifer R.Foote Department of Biology Algoma UniversitySault Ste.MarieONCanada

The song systems of oscine passerines(songbirds)are complex and *** songs are used for both mate attraction and territory defense and are therefore important signals for survival and reproduction,comprehensive knowledge of within and among species song structure and distribution is informative for understanding the evolution of song repertoires and vocal *** this study,we explored variation in the song structure of the Ovenbird(Seiurus aurocapilla),a widespread warbler(Family Parulidae)found in North American *** analyzed recordings from the 2021 breeding season to assess song type variation at a local(n=158 birds;Sault ***,ON)and breeding range scale(n=512 birds;eBird).We characterized the local song types and tested whether Ovenbirds share song types with their neighbors more often than expected by *** then characterized song types of Ovenbirds across the breeding range to determine whether any geographic pattern of song clustering exists(i.e.,macro-dialects).We found 10 distinct song types and some evidence for song type clustering at the local study site(i.e.,song neighborhoods).We found 7 of those 10 song types throughout the breeding range and identified an additional 24 types that were not recorded in our local *** found no evidence for song dialects across the Ovenbird breeding *** study contributes to our understanding of Ovenbird song while simultaneously adding to our understanding of geographic structuring of warbler *** work contributes to delineating a more comprehensive understanding of factors affecting dialect development for this diverse group of songbirds.

关键词： Dialects eBird Geographic variation Ovenbird Parulidae Seiurus aurocapilla song type

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