How Thrushes Produce Those Ethereal, Flute-Like Songs
Mastery of an extra voice box is the secret to their haunting harmonies.
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Transcript:
This is BirdNote.
Some believe the song of the Wood Thrush to be the most beautiful bird song in North America.
Others select the song of the Hermit Thrush.
Still others name the singing of the Swainson鈥檚 Thrush.
So how do thrushes create such fine music? The answer is that the birds have a double voice box.
Bird song emanates from a complex structure, unique to birds, called the syrinx. Syrinx is also the Greek word for the musical instrument we call panpipes, which have multiple pipes
It鈥檚 a fitting name for this essential part of a bird鈥檚 vocal anatomy. Because, like panpipes, birds have two separate pipes to sing with. A fine singer like a thrush can voice notes independently and simultaneously from each half of its syrinx, notes which blend brilliantly as ethereal, harmonious tones.
Fortunately for us, the results are lovely and haunting.
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Credits:
Bird sounds provided by The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology, Ithaca, New York. Song of the Wood Thrush [176144] recorded by G.A. Keller; song of Hermit Thrush [111136] by T.G. Sander; song of the Swainson鈥檚 Thrush [133353] recorded by G.A. Keller. Ambient recorded by C. Peterson M III T 48.
BirdNote鈥檚 theme music was composed and played by Nancy Rumbel and John Kessler.
Written by Bob Sundstrom
Producer: John Kessler
Executive Producer: Chris Peterson
漏 2015 Tune In to Nature.org June 2018 Narrator: Michael Stein