PhysOrg Posted February 27, 2015 Share Posted February 27, 2015 Known for their beautiful singing duets, plain wrens of Costa Rica perform precise phrase-by-phrase modifications to the duration between two consecutive phrases, achieving careful coordination as their songs unfold, according to a new study published in the Journal of Avian Biology. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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