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January 9 2013
A detailed 3D image of a bird's voice box has been created by scientists investigating how the animals sing.
Researchers in Denmark have modelled the tiny vocal organ of the zebra finch.
The study identified how the syrinx organ is adapted for rapid trills, even during flight.
According to the team, despite advances in understanding the neural control of birdsong, the physical ability is less well understood.
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