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The leaning tower of Piezo
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This is a robotic Peregrine Falcon with sensors to detect incoming
birds on an approach vector with your lawn and/or garden. It sits
perched on the edge of the roof, mounted to the rim of your rain
gutter. Upon detecting the incoming bird, the Scaregrine Falcon
spreads its wings and lets loose
raptor warcry, the bone-chilling
that all birds fear. It then moves along the rain gutter like a train on
track, back and forth, squaking for all it's worth until the pesky birds
have gone. If the birds get wise to your trick, and decide to risk it all
and land in the yard anyway, the Scaregrine Falcon will race along its
track to the point nearest the offending bird and "dive" off the roof,
straight down. It is connected to the rail by a retractable cord, and
protected from shock damage by an inertia reel that quickly slows
it's descent for last few feet, and stops it just above the ground, then
reels it back up. The engineers at 21st Century Quest Engineering
recommend at least 2, one on the house, one on your fence (maybe
one on each side of the yard) and if you have a detached garage or
shed, one on the roof of that, as well. I have personally ordered four
them, and can't wait to show those pesky crows and magpies that I
Note: Scaregrine Falcons also serve as an excellent deterrent against
pesky cats and weasels. If your local pests aren't deterred by the
diminutive falcon, we also have Dreadtail Hawks and Scold'n Eagles.
||This is my favorite idea for quite some time. Make it
take a daredevil head dive off the roof, like the real
ones do, and that would be even better. (On a retrievable cord, of course.)+
||Skip the cord, an extending wand and a track that runs along a downspout should permit a controllable dive towards the bird (or at least the center of the yard).
||I kinda like the cord idea... post has been edited to include it.
For maximum effect, some track extensions jutting out from the
roof would give it the ability to get right over the offending bird
and swoop straight down at it. Guaranteed to scare the white
stuff out of even the bravest bird!
||I don't understand why you want to scare birds away.
||Quit the apostrophe abuse.
||Quite a few reasons to keep them out, Tatter. First, to protect my
other half's garden. Second, to keep other birds of prey from
snatching my ferrets or my other half's small dog. This is known
to happen in northwestern USA. I also can't stand that irritating
chirping when I'm trying to sleep in on my days off.
|| And Im real sorry 'bout the mis'plac'ed apos'trophes'. This
damn'ed spellcheck'er keeps' putti'n 'em in the wr'ong plac'es.
||I expect the "raptor warcry" won't keep you awake at all.
||After the first few days, it won't be much of a problem. Once the
Falcons make their grand debut, those pesky birds will wisely
keep their distance. The Falcons could also move about at
random throughout the day, opening and closing their wings and
'pacing' back and forth, so the birds will see them from a
distance and not think they're letting their guard down.