Stability of referential signalling across time and locations: testing alarm calls of Australian magpies (Gymnorhina tibicen) in urban and rural Australia and in Fiji
In many avian species, vocal repertoire expands and changes throughout life as new syllables are added and sounds adapted to neighbours and circumstances. Referential signals, on the other hand, demand stability and lack of variation so that their meaning can be understood by conspecifics at all tim...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
PeerJ Inc.
2013-07-01
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Series: | PeerJ |
Subjects: | |
Online Access: | https://peerj.com/articles/112.pdf |