<div dir="ltr">I could not read the article as I'm not subscribed to the magazine/paper referenced or have used up my allotted free article reads.<div><br><div>However, I do know very firsthand the perspective of birds when they hit windows being a window cleaner for 27 years. Looking at a window from a specific angle one only sees a reflection. That can be the sky, a tree, a building, or whatever. If it's the sky or some far-off tree it looks like a clear path to fly, until it isn't. One cannot see thru the panes of the window to the inside piece of glass where these stickers are often placed. Some angles make the inside sticker more visible than others, but outside placement is by far the best, though usually not the easiest. Ask your window cleaner to put them on for you on their next visit!  I've done this before for customers and it does not take long.</div><div><br></div><div><br clear="all"><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature" id="cloudHQ_signature2_id"><div dir="ltr"><div><div><div><table cellspacing="0" cellpadding="0" border="0" width="500" style="margin:0;padding:0;font-family:Calibri,Candara,Segoe,'Segoe UI',Optima,Arial,sans-serif;font-size:15px;color:#4b6539;line-height:1.35;width:500px;margin-top:1em"><tbody><tr><td style="vertical-align:top;width:1%"><div style="width:116px;height:116px;margin-right:10px;border-radius:5px"><img src="https://share1.cloudhq-mkt3.net/a1e3029386f0970f6387df8bc05aba5a2f35b931.png?v=0.5207986654226555" width="116" height="116"></div></td><td style="vertical-align:top"><table cellspacing="0" cellpadding="0" border="0" style="margin:0;padding:0;font-family:Calibri,Candara,Segoe,'Segoe UI',Optima,Arial,sans-serif;font-size:15px;color:#4b6539;line-height:1.35"><tbody><tr><td><span style="margin:0;padding:0;font-family:Calibri,Candara,Segoe,'Segoe UI',Optima,Arial,sans-serif;font-size:15px;color:#4b6539;line-height:1.35;color:#09527b;font-size:17px;font-weight:bolder">Eric Ellingson</span><span> </span></td></tr><tr><td><div style="margin-top:4px;margin-bottom:6px;border-top:2px solid #09527b;height:2px"></div></td></tr><tr><td><div style="margin-top:3px;margin-bottom:0;line-height:1.2"><a href="tel:360-820-6396" style="margin:0;padding:0;font-family:Calibri,Candara,Segoe,'Segoe UI',Optima,Arial,sans-serif;font-size:15px;color:#4b6539;line-height:1.35;color:#311dc9;text-decoration:none" target="_blank">360-820-6396</a> <span>|</span> <a href="mailto:esellingson@gmail.com" style="margin:0;padding:0;font-family:Calibri,Candara,Segoe,'Segoe UI',Optima,Arial,sans-serif;font-size:15px;color:#4b6539;line-height:1.35;color:#311dc9;text-decoration:none" target="_blank">esellingson@gmail.com</a></div></td></tr><tr class="cloudHQ_fields_custom"><td><div style="margin-top:8px;line-height:1.2"><div style="margin-top:3px"><span style="margin:0;padding:0;font-family:Calibri,Candara,Segoe,'Segoe UI',Optima,Arial,sans-serif;font-size:15px;color:#4b6539;line-height:1.35"><a href="https://www.flickr.com/photos/ericellingson/" style="margin:0;padding:0;font-family:Calibri,Candara,Segoe,'Segoe UI',Optima,Arial,sans-serif;font-size:15px;color:#4b6539;line-height:1.35;color:#311dc9;text-decoration:none" target="_blank">https://www.flickr.com/photos/ericellingson/</a> </span></div></div></td></tr><tr><td><div style="margin-top:8px;margin-bottom:0"><a href="https://www.flickr.com/photos/ericellingson/" style="width:21px;height:21px;text-decoration:none;border-radius:0;border:0" title="Flickr" target="_blank"><img src="https://www.cloudhq.net/images/social_icons/32px/flickr.png" width="21" height="21" style="width:21px; height: 21px; text-decoration: none; border-radius:0;moz-border-radius:0;khtml-border-radius:0;o-border-radius:0;webkit-border-radius:0;ms-border-radius:0;border: 0;"></a> </div></td></tr></tbody></table></td></tr></tbody></table><div id="chq_signature_extensions"></div></div></div></div></div><div style="width:100%" id="chq_gmail_signature_create_your_signature_div"><div style="border-top:1px solid #eeeeee;width:fit-content;margin-top:25px;margin-bottom:10px;font-size:10px"><a href="https://chrome.google.com/webstore/detail/free-email-signature-gene/adabkammndnejioekmmdhgdnlfenpkci" target="_blank" style="color:#222222;text-decoration:none">Create your own email signature</a></div></div></div></div></div></div>