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Acoustic features of song categories and their possible implications for communication in the common
 

Summary: Acoustic features of song categories and their possible
implications for communication in the common
nightingale (Luscinia megarhynchos)
Hansjoerg P. Kunc1,2)
, Valentin Amrhein3)
& Marc Naguib1)
(1 Department of Animal Behaviour, University of Bielefeld, Germany; 3 Research Station
Petite Camargue Alsacienne, France, and University of Basel, Switzerland)
(Accepted: 6 July 2005)
Summary
In many passerine species, males sing more than one distinct song type. Commonly, songs
are assigned to different song types or song categories based on phonological and syntactical
dissimilarities. However, temporal aspects, such as song length and song rate, also need to
be considered to understand the possible functions of different songs. Common nightingales
(Luscinia megarhynchos) have large vocal repertoires of different song types but their songs
additionally can be grouped into two distinct categories (particular groups of song types):
whistle songs and nonwhistle songs. Whistle songs are hypothesised to be important to attract
migrating females. We studied temporal properties of whistle songs and nonwhistle songs and
examined the relationship between those song parameters and song output parameters, such
as song rate and song length. To investigate how song parameters vary among males, we

  

Source: Amrhein, Valentin - Zoologisches Institut, Universitšt Basel

 

Collections: Environmental Sciences and Ecology