Why do birds make so many different sounds? A new UW–Madison study gets at the underlying factors 

Birds make sounds to communicate, whether to find a potential mate, ward off predators, or just sing for pleasure.   But the conditions that contribute to the immense diversity of the sounds they make are not well understood. Researchers at the University of Wisconsin–Madison have conducted the first-ever global study of the factors that influence bird […]

Read the full article at: https://news.wisc.edu/why-do-birds-make-so-many-different-sounds-a-new-uw-madison-study-gets-at-the-underlying-factors/