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to remove the pigeons by various means, including trapping and scaring
with noise, balloons, and plastic owls. None of these attempts were
successful for any reasonable period of time.
During these tests, three buildings were treated
with a 50% mixture of Bird Shield™ and water applied to roosting
areas with a hand pump sprayer. On the other two buildings, a similar
treatment was made with water only, for comparison. Immediately
before the tests, one day, three days, and thirty days after, objective
tests of the bird use were made. The number of birds that perched
in an area for more than 30 seconds was counted for each building.
In the buildings treated with water only, this number did not change
significantly over the life of the study. In stark contrast, there
was no reportable bird activity observed at the treated buildings.
Similar results have been observed for starlings,
sparrows, and woodpeckers in other test environments, however it
was sometimes necessary to re-treat two or three times in order
to obtain complete control. Subsequent field reports indicate that
Bird Shield ™ has also been used to discourage various water
birds from using docks, and pigeons from using statutes bridges
and other roosting sites.
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