| Southern Bird | |
| Sexually dimorphic vocalisations of the great spotted kiwi (Apteryx haastii) | Notornis and Birds New Zealand | |
| Molles, LE1 Dent, JM1 | |
| 关键词: Apteryx; intra-call variation; sexual dimorphism; vocalisation; whistle call; | |
| DOI : | |
| 学科分类：农业科学（综合） | |
| 来源: Ornithological Society of New Zealand Inc. | |
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【 摘 要 】
Kiwi(Apteryxspp.)arethemostvocaloftheratites.Ofthe5Apteryxspeciesonly2havepreviouslybeensubjecttodetailedvocalanalysis:theNorthIslandbrownkiwi(A.mantelli)andthelittlespottedkiwi(A.owenii).Thispaperdescribesthevocalisationsofthegreatspottedkiwi(A.haastii),thelargestoftheApteryxspecies.Acousticrecorderswereinstallednearthebreedingdensitesof7greatspottedkiwipairsresidinginHawdonValley,CanterburybetweenNovember2012andMarch2013.Atotalof133whistlevocalisationsfrom10individualsweresubjecttodetailedtemporalandspectralanalysis.Maleandfemalesyllableswerefoundtobesexuallydimorphic;syllablesinmalecallstendedtobelongerandmorehighlypitchedthantheirfemalecounterparts.Despitethisdimorphism,patternsofintra-callvariationwereconsistentbetweenthesexes.Itappearsthatintra-callvariationisatraitwhichvariesmarkedlywithintheApteryxgenus.
【 授权许可】
Unknown
【 预 览 】
| Files | Size | Format | View |
|---|---|---|---|
| RO201912090835276ZK.pdf | 526KB |  download |
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