Amplitude regulation of vocalizations in noise by a songbird, Taeniopygia guttata
Article Abstract:
A recording of male and female zebra finches, Taeniopygia guttata, as they were subjected to varied levels of white noise was made to test for amplitude regulation of vocalizations. Both male and female zebra finches were found to increase amplitude levels of vocalization, regardless of whether these were learned, in response to increased noise levels. Results were compared to data on amplitude regulation in humans.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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Regulation of vocal amplitude by the blue-throated hummingbird, Lampornis clemenciae
Article Abstract:
The Lombard effect under natural conditions is demonstrated and the first humming bird species to show this behavior is documented. It was seen that blue-throated hummingbirds, Lampornis clemenciae, modified the amplitude of their vocalizations in response to both naturally occurring and experimenter-controlled changes in ambient noise levels.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 2003
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Social mediation of vocal amplitude in a songbird, Taeniopygia guttata
Article Abstract:
Bird vocalizations benefits birds as they are produced under various social contexts to alter the amplitude of their signals. Recording male and female zebra finches, Taeniopygia guttata tested this vocalization by placing it in isolation, in auditory contact, and in visual and auditory contact with each sex.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 2004
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