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Why the swamp sparrow is hitting the high notes
Date:1/9/2009

/11620.php?from=128536"> AUDIO: The slow trills of the swamp sparrows can be heard during spring and summer across the Eastern and Central North American wetlands.
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The study published online in Biology Letters is entitled Swamp Sparrows Modulate Vocal Performance in an Aggressive Context. DuBois investigated whether vocal performance (a measure of how well a male sings songs that are difficult to produce) is used as a signal in a
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Contact: Marie Guma-Diaz
m.gumadiaz@umiami.edu
305-284-1601
University of Miami
Source:Eurekalert  

Page: 1 2 3

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