[va-bird] Re: helicopter use and birds

FYI
http://www.jhalliance.org/reports/helitourreport4.html

Helicopter noise could have a significant impact on breeding birds 



-----Original Message-----
From: va-bird-bounce@xxxxxxxxxxxxx [mailto:va-bird-bounce@xxxxxxxxxxxxx]
On Behalf Of Bob_Cherry@xxxxxxx
Sent: Wednesday, May 31, 2006 3:55 PM
To: va-bird@xxxxxxxxxxxxx
Subject: [va-bird] helicopter use and birds


The Blue Ridge Parkway will shortly be contracting for a helicopter to
fly sections of the parkway while filming for a park movie.  The flights
will only be in one area for a short period of time, probably just long
enough to film a section of the parkway and then move on. In some
locations there might be multiple flights but I would think the total
time should still be less than an hour. There should be no night flights
but possibly some at sunrise and sunset.

My involvement in this is to ensure that park resources are not harmed.
I am wondering specifically about any impacts there might be on our
birds. Does anyone know of any research indicating that helicopter
flights will affect birds at certain times of the year or in certain
activities?  I think the flights will be after birds have nested and
fledged but if not would this be a concern to any species?  What about
if the flights are during hawk watch season? Is there any physical harm
that could come to migrating birds (during day light hours)? Any other
concerns?

I'm leaning towards this will have no, or virtually no, impact on the
park's birds but would appreciate any comments anyone might have.

Thanks for your help.

Bob

___________________________________
Bob Cherry
Resource Management Specialist

Blue Ridge Parkway
5580 Shulls Mill Road
Blowing Rock, NC  28605-9453

828/295-7591
828/295-0337 (fax)
Bob_Cherry@xxxxxxx
www.nps.gov/blri
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