Topic: lemur

To signal its territory to the neighboring group, the indri launches a long complaint which can be heard for several kilometers. (JOUAN/RIUS/Gamma-Rapho via Getty Images)

Lemur songs point to evolution of music

Matthew Rozsa
(<a href='url to photographer'>Jearu</a> via <a href='http://www.shutterstock.com/'>Shutterstock</a>)

Joanna Rothkopf