Re: Scientists show effect of traffic noise on birds

["michael noble" not8ohm]

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:

>
>
> Interesting article published on SeattlePi news -
>
>
> http://www.seattlepi.com/news/science/article/Scientists-show-effect-of-t=
raffic-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 abov=
e
> Snake River Plain.......Songbird numbers declined by more than a quarter
> and some species disappeared almost completely. He says the work may be t=
he
> first to isolate the effect of sound, eliminating other traffic-related
> disturbances from the equation of what scares birds away."
>
>