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Effects of Rapid Broadband Trills on Responses to Song Overlapping in Nightingales

Summary: Effects of Rapid Broadband Trills on Responses to Song
Overlapping in Nightingales
Philipp Sprau* , Rouven Schmidt ā, Tobias Roth§­, Valentin Amrhein§­ & Marc Naguib*
* Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Heteren, The Netherlands
Department of Animal Behaviour, University Bielefeld, Bielefeld, Germany
ā Communication and Social Behaviour Group, Max Planck Institute for Ornithology, Seewiesen, Germany
§ Research Station Petite Camargue Alsacienne, Saint-Louis, France
­ Zoological Institute, University of Basel, Switzerland
In competition over resources such as mates, space,
or food, animals signal aspects of their motivation
and their quality to rivals. Signals often are complex,
with different traits carrying different information
(Bradbury & Vehrencamp 1998; Rowe 1999; Searcy
& Nowicki 2005). In birdsong, some signaling traits
such as the timing of songs and the use of specific
patterns can be varied independently, raising ques-
tions about how the combination of independent
singing traits effects the overall signal value.
Two distinct strategies of song timing have
received specific attention: song alternating (i.e.,


Source: Amrhein, Valentin - Zoologisches Institut, Universität Basel


Collections: Environmental Sciences and Ecology