I was wondering about this study too. passerines gather on electric wires a=
nd trees along highways and railway tracks. the traffic flushes out insects=
regularly. I have sometimes wondered, on less used railway tracks, whether=
they had learned the timetable, so they wont wait the whole day for a trai=
n to come.
umashankar
From: michael noble <>
To:
Sent: Tuesday, November 19, 2013 7:15 PM
Subject: Re: [Nature Recordists] Scientists show effect of traffic noise on=
birds
One wonders, would the birds be equally disturbed by any other sound source=
being replayed in a one minute loop on the same speaker system?
On Mon, Nov 18, 2013 at 5:25 AM, <> wrote:
>=A0
>Interesting article published on SeattlePi news -
>
>http://www.seattlepi.com/news/science/article/Scientists-show-effect-of-tr=
affic-noise-on-birds-4989142.php
>
>"..Idaho scientists blasted the sounds of cars and trucks barreling past
from a half-mile string of treetop loud speakers high on a ridgeline
above Snake River=A0Plain.......Songbird numbers declined by more than a qu=
arter and some species
disappeared almost completely. He says the work may be the first to
isolate the effect of sound, eliminating other traffic-related
disturbances from the equation of what scares birds=A0away."
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