Hello Tweets,

and an update as to how O'Hare Airport keeps birds
away from the airplanes ...

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http://www.kwqc.com/Global/story.asp?S=2551416

O'Hare enlists grape-scented repellant to keep birds
away

CHICAGO Wildlife experts at Chicago's O'Hare
International Airport hope the grape flavoring used in
Kool-Aid will encourage pesky birds that endanger
planes to leave.

Airport officials have installed a series of machines
around the 105-acre retention pond known as "Lake
O'Hare."

The devices spray a grape-scented chemical mist that
irritates the nerve endings in birds' nasal passages.

The repellant -- methyl anthranilate -- is unpleasant
enough to make birds retreat, but officials say it
doesn't have long term effects on the animals or the
environment.

The Chicago Department of Aviation says O'Hare had 139
incidents last year involving birds.


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Devorah A. N. Bennu, PhD
Independent Scholar and
Research Associate,
American Museum of Natural History
birdologist [at] yahoo [dot] com
public blog: http://girlscientist.blogspot.com

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