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Contact: Liese Greensfelder
lgreensfelder@ucdavis.edu
530-752-6101
University of California - Davis
Caption: The lowest-ranking bull is the loudest contender in this bellowing contest between several rivals in Nebraska's Fort Niobrara National Wildlife Refuge.
Credit: Megan Wyman/UC Davis audiography (c) UC Regents
Usage Restrictions: This audio may only be used with appropriate caption and credit.
Related news release: Quiet bison sire more calves than louder rivals
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