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SOUNDS OF SEX AND DEATH IN THE SEA: BOTTLENOSE DOLPHIN WHISTLES SUPPRESS MATING CHORUSES OF SILVER PERCH

 

作者: JOSEPHJ. LUCZKOVICH,   HALJ. DANIEL,   MARCY HUTCHINSON,   TODD JENKINS,   STEPHENE. JOHNSON,   R.CHRISTOPHER PULLINGER,   MARKW. SPRAGUE,  

 

期刊: Bioacoustics  （Taylor Available online 2000）
卷期: Volume 10, issue 4  

页码: 323-334

 

ISSN:0952-4622

 

年代: 2000

 

DOI:10.1080/09524622.2000.9753441

 

出版商: Taylor & Francis Group

 

关键词: Underwater acoustics;marine mammal vocalizations;soniferous fish signals;predator avoidance;playback experiment

 

数据来源: Taylor

 

摘要:

Prey often exhibit avoidance behaviors when predators are present. We observed diminished loudness of mating choruses of male silver perchBairdiella chrysourain spawning areas when vocalizing bottlenose dolphinsTursiops truncatus, which hunt fish acoustically, were present. Experimental playback of bottlenose dolphin sounds revealed that male silver perch mating calls were reduced by an average of 9 dB. This “acoustical avoidance” behavior, demonstrated previously for interactions involving bats hunting insects and frogs, may also be a common phenomenon in acoustically mediated predator-prey interactions in the sea.

 

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