Quiet Bison Sire More Calves Than Louder Rivals

(PhysOrg.com) -- During bison mating season, the quietest bulls score the most mates and sire the most offspring while studs with the loudest bellows see the least action, according to a surprising new study by researchers at University of California, Davis, and Point Loma Nazarene University in San Diego. The researchers also found that the volume of a bull’s bellow was not related to its weight or age.

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<p><a href="http://www.physorg.com/news148582782.html">Quiet Bison Sire More Calves Than Louder Rivals</a></p> <p>(PhysOrg.com) -- During bison mating season, the quietest bulls score the most mates and sire the most offspring while studs with the loudest bellows see the least action, according to a surprising new study by researchers at University of California, Davis, and Point Loma Nazarene University in San Diego. The researchers also found that the volume of a bull’s bellow was not related to its weight or age.</p>