Just had the first Yellow-rumped Warbler in our yard fly into a window and
break it's neck.

These guys:

http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=13244
<http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=13244&prodid=
32187&catid=520> &prodid=32187&catid=520

claim to have a product that prevents window hits. Has anyone tried them (or
anything else), and if so, did they work?

Dave Nuttall
N.W. Bellevue (S.W of I405 - SR520 interchange)
mailto:dave_nuttall at yahoo.com