Although songbirds share the human sense of rhythm, such musical abilities are rare in non-human mammals. A new study led by the Max Planck Institute of Psycholinguistics (MPI) has found that one of the few “singing” primates, the critically endangered lemur Indri indri, has a similar sense of rhythm as humans. “There is longstanding interest in understanding how human musicality evolved, but musicality is not restricted to humans," said study co-author Andrea Ravignani, a researcher at MPI. “Looking for musical features in other species allows us to...