The world’s only singing lemur uses special techniques shared with the very best opera singers, according to a new study.
Researchers discovered that Indris lemurs open their mouths wider when they try to hit the high notes.
The higher the note, the wider these musical tree-dwellers open their mouths.
Scientists say that this is the first direct evidence that wild indris carefully co-ordinate their mouth movements with the pitch of their song.
By opening their mouths wider, indris change the shape of their vocal tract – the mouth, jaw, and tongue – to match the frequency of the note, amplifying the sound.
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