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Gesangsvariabilität der Rohrammer Emberiza schoeniclus in der Schweiz


Ehrengruber, Markus U; Pasinelli, Gilberto; Egli, Tobias (2006). Gesangsvariabilität der Rohrammer Emberiza schoeniclus in der Schweiz. Der Ornithologische Beobachter, 103:87-96.

Abstract

The song of the Reed Bunt­ing is characterized by a large variability between individuals. Within Switzerland, the subspecies schoeniclus is breeding north and south of the Alps in wetlands, which are often small and unconnected. The local isolation might favour the development of local song characteristics, i.e. dialects. We therefore analysed 260 songs of 30 different Reed Buntings from five separate locations (Greifensee, Chatzensee, Fanel, Gletterens, and Bolle di Magadino). For quantification, we determined seven song variables and compared them within and between the local populations. Our results show considerable song variability within local populations. In addition, we found significant differences between various local populations for the variables song diversity and maximal frequency. Song diversity further differed between songs from populations north and the one south of the Alps. Our findings thus support the existence of local song dialects of the Reed Bunting in Switzerland; however, our results also confirm that song variability within local populations is extensive.

Abstract

The song of the Reed Bunt­ing is characterized by a large variability between individuals. Within Switzerland, the subspecies schoeniclus is breeding north and south of the Alps in wetlands, which are often small and unconnected. The local isolation might favour the development of local song characteristics, i.e. dialects. We therefore analysed 260 songs of 30 different Reed Buntings from five separate locations (Greifensee, Chatzensee, Fanel, Gletterens, and Bolle di Magadino). For quantification, we determined seven song variables and compared them within and between the local populations. Our results show considerable song variability within local populations. In addition, we found significant differences between various local populations for the variables song diversity and maximal frequency. Song diversity further differed between songs from populations north and the one south of the Alps. Our findings thus support the existence of local song dialects of the Reed Bunting in Switzerland; however, our results also confirm that song variability within local populations is extensive.

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Additional indexing

Other titles:Song variability of the Reed Bunting Emberiza schoeniclus within Switzerland
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Language:German
Date:2006
Deposited On:28 Mar 2013 14:20
Last Modified:07 Dec 2017 19:11
Publisher:Ala, Schweizerische Gesellschaft für Vogelkunde und Vogelschutz
ISSN:0030-5707
Official URL:http://www.ala-schweiz.ch/images/stories/pdf/ob/2006_103/OrnitholBeob_2006_103_87_Ehrengruber.pdf

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