[NatureNS] FW: Crow Problem

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Date: Mon, 18 Jul 2011 10:18:17 -0700 (PDT)
From: Kathleen MacAulay <roughlegged_hawk@yahoo.ca>
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This sounds more like a bird trying to fly through a window it can't see than one attacking its reflection, since an attacking bird would usually only flutter against the window, not bang into it. I'd also be pretty surprised if a crow (usually a pretty smart bird!) was persistently attacking its reflection. I wonder why Barb describes it as "aggressive"? Just that it's hitting the window harder?


FLAP, a group based in Toronto which has done a lot of work in preventing bird-building collisions has a website with tons of useful information on making buildings and windows bird-safe: www.flap.org . The most effective way of stopping window strikes is to place something on or in front of the window densely enough that the birds no longer think they can fly through the area. Ribbons can work, as can simple cords like these: http://www.birdsavers.com/buildyourown.html . The important thing is that they form a visual barrier over the window. Shining a light at the window as Gayle suggested might also do the trick (glad to hear that worked!). 


I don't actually know how effective such things are at keeping birds away from fruits. I imagine they would be effective at first but become less so as the birds got used to the ribbons.


If Barb's having trouble with the crows being too bold and getting too close, the first thing I would do is clean up any food sources that are attracting them to the area. This might be scattered bird seed, pet food left outside, exposed compost or garbage, or anything edible, really. 
 

Kathleen MacAulay
Milford Station

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<html><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:10pt"><div><span>This sounds more like a bird trying to fly through a window it can't see than one attacking its reflection, since an attacking bird would usually only flutter against the window, not bang into it. I'd also be pretty surprised if a crow (usually a pretty smart bird!) was persistently attacking its reflection. </span><span>I wonder why Barb describes it as "aggressive"? Just that it's hitting the window harder?<br></span></div><div><span></span><br><span></span></div><div><span>FLAP, a g</span><span>roup based in Toronto which has done a lot of work in preventing bird-building collisions has a website with tons of useful information on making buildings and windows bird-safe: www.flap.org . The most effective way of stopping window strikes is to place something on or in front of the window densely enough that the birds no longer
 think they can fly through the area. Ribbons can work, as can simple cords like these: http://www.birdsavers.com/buildyourown.html . The important thing is that they form a visual barrier over the window. Shining a light at the window as Gayle suggested might also do the trick (glad to hear that worked!). <br></span></div><div><span><br></span></div><div><span>I don't actually know how effective such things are at keeping birds away from fruits. I imagine they would be effective at first but become less so as the birds got used to the ribbons.<br></span></div><div><br><span></span></div><div><span>If Barb's having trouble with the crows being too bold and getting too close, the first thing I would do is clean up any food sources that are attracting them to the area. This might be scattered bird seed, pet food left outside, exposed compost or garbage, or anything edible, really. <br>
  </span>
</div><div><br></div><div>Kathleen MacAulay</div><div>Milford Station<br>
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