Does anyone have experience in using ultrasonic bird repellers? Do they work
or are they just a fancy gadget that actually does very little or nothing?
I need something that won't disturb my neighbours' and rid my large tree of
birds. They are making a terrible mess under the tree.
It's a tree. They are birds. That is what birds DO. You nicely provided
a place for them to roost, and now you want to chase them off?
Short of cutting down the tree, nothing much you can do that will work
on a long-term basis. I'd say get a cat, but their mess is even more
disgusting than what the birds leave. Plastic owls, shiny pinwheels,
etc, work only until the birds figure out they aren't really a threat.
As a kid, we used to put giant nets over the cherry trees so we could at
least keep part of the crop from the birds, but it was a major PITA and
not real pretty when in place.
Yes, it is a tree and they are birds but for some reason there are many
times more birds this spring than ever before. We are not feeding them and
there is no reason that I can see that they would come to our tree when
there are many trees in the neighbourhood that even have feeders attached to
The usual number of birds (+ pr -) is ok and not a problem but this is
No way! That tree provides shade for the entire front of the house. It would
cost me more for electricity if the tree was gone than it would be to buy
another tree or to clean up after the birds for that matter.
Another one of those people who wants nature to bend to their own
personal requirments. Duh!! It doesn't work like that. Birds, the
tree, the sun, the soil, bird poop, nature, etc, all work in a perfect
symbiotic relationship that needs nothing from you. The sun does not
quit shining and birds do not quit roosting, eating, and pooping
simply because you are inconvenienced.
Now that I cogitate on it awhile, I think your only real solution is
to kill yourself.
Yes maybe the human element, in this case, is the intruder?
And if we didn't build artificial things called 'homes' in these hot
(or cold) climates and fill them up with things made from petroleum
(plastics) from underneath the earth's surface and then tried to
maintain temperatures of 70 dgrees F etc. etc. ........ Ecological
On other hand a 'reasonable balance with the natural and avoiding
human overpopulation etc. might lead to a more satisfying and
fulfilling life of and for all of the world's creatures?
In the overall picture some bird poop seems to be far down the scale!
In the same way we complain if some bird 'drops something from on high
on our shiny car', rather than make motor vehicles that withstand that
We have had a moose population here for over 100 years; but with
people wanting to drive at over 60 mph. through forested areas, there
are now demands to 'Get rid of the moose' (or at least cull them
severely). Maybe the problem is too many humans moving too fast and
therefore not in balance with the natural state. Maybe we should cull
Here endeth the ................... etc.
HIGH FREQUENCY SOUND DEVICES LACK EFFICACY IN REPELLING BIRDS
WILLIAM A. ERICKSON1 and REX E. MARSH, Wildlife and Fisheries Biology,
University of California, Davis,California 95616.
TERRELL P. SALMON, Division of Agriculture and Natural Resources,
University of California, Davis, California 95616.
ABSTRACT: Ultrasonic or high-frequency sound-producing devices are
marketed as a scaring or frightening method for bird control. Although
inaudible to humans, most birds also do not hear in the ultrasonic
frequency ranges of above 20,000 Hz, thus the credibility of advertised
claims raises questions. A review of efficacy studies conducted and
published by a number of researchers fails to demonstrate the usefulness
of such bird control devices.
Proc. 15th Vertebrate Pest Conf, (J. E. Borrecco & R. E. Marsh,
Editors) Published at University of Calif., Davis. 1992
On Mon, 24 May 2010 10:05:28 -0400, Worn Out Retread wrote:
Has anyone suggested a plastic Owl? I've seen them used around here. In
my youth we used to scare pigeons and doves out of the barn with a
stuffed Owl perched on a wooden stand. When you walked into the barn with
that thing the birds couldn't fly out fast enough.
That was you they were reacting to and the movement, not the fake owl.
I've both barn and great horned owls nesting in the same hayloft as well
as the upper levels of the grain elevator leg house w/ the pigeons--they
don't give a hoot (so to speak) about 'em either way...the owls don't
bother the pigeons and the pigeons don't interfere w/ the owls.
I must have walked in the barn thousands of times without the fake Owl
and the birds didn't give a shit. They were used to people walking in and
out since the barn was used to store tools and hay among other things.
Walk in with the stuffed Owl however and they scattered as fast as they
Differently trained crowd, then... they don't give a crap here about
owls, stuffed or the real thing but will scatter on movment. And, the
barn here is used daily w/ much traffic as well.
I've always been surprised the owls don't even bother w/ the young 'uns
when they're just beginning to move about but they don't.
We have them as well as golden eagles and kites but there are certainly
no dogs that small that are outside dogs around here. They would simply
get lost in the native grasses and never be able to get thru it at least
before something got 'em whether it was raptor or rattlesnake or badger
or coyote or... .
The predominant bird of prey is the RTH here. I've not witnessed one
snatching up a dog but have heard stories. I'm not far enough out in the
wild to worry about other predation but we have some coyotes that would
easily outmatch a domestic the same size or smaller. I have a large
Pomeranian (16 lbs) and worry about leaving him tied up out back. There
are a couple red tails living in the area that have pretty much cleaned
out the wild rabbit population. I didn't realize how big a red tail is
until you get close to one. I doubt if one could take our Pom, he can be
pretty vicious himself, but have no doubt they could easily dine on
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