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How a Chook’s Habitat Influences Its Tune


This audio story is delivered to you by BirdNote, a associate of The Nationwide Audubon Society. BirdNote episodes air every day on public radio stations nationwide. 

Transcript: 

That is BirdNote.

To our ears, the music of a Marsh Wren will not be essentially the most pleasing. However in a dense habitat of cattails, it’s remarkably efficient. The ratchety, low-pitched, explosive notes – like from a tiny machine gun – carry effectively by the thick vegetation. Equally, the wren’s next-door neighbor, the Frequent Yellowthroat, sings a uneven, repetitive music designed to rattle proper by a stand of cattails. 

Alongside the sting of the identical marsh, an Olive-sided Flycatcher sings, perched atop a tall tree. Its high-pitched, whistled music carries a minimum of half a mile by the open air. Sharp, clear notes are perfect for a tree-top singer.

Completely different sounds journey higher in several environments. Excessive-pitched sounds have shorter wave-lengths and are extra simply stopped by stable objects – so they’re higher sung from the tree tops. Explosive, low-pitched songs bounce higher previous stable obstacles, whether or not tree trunks or dense cattails. And a lot is determined by the birds getting their message throughout.

What about birds which have neither tall timber nor dense shrubs to sing from, just like the Lapland Longspur? The longspur usually takes flight to sing, casting its mild music into the air because it glides above the Arctic tundra.

Right now’s present dropped at you by The Bobolink Basis. For BirdNote, I’m Michael Stein.

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Credit: 

Sounds of the birds supplied by The Macaulay Library of Pure Sounds on the Cornell Lab of Ornithology, Ithaca, New York. Marsh Wren [48819] recorded by Okay.J. Colver; Frequent Yellowthroat [79476] recorded W.L. Hershberger; Olive-sided Flycatcher [126484] recorded by T.G. Sander; Lapland Longspur [132125] recorded by G. Vyn.

Author: Bob Sundstrom

Producer: John Kessler

Govt Producer: Chris Peterson

© 2014 Tune In to Nature.org     Might 2017/2019   Narrator:  Michael Stein

ID# sound-11-2012-05-14

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