GW you captured on film 2 male FH's competition for a place/area to nest.
Yes the blocking net method works. I have had success repeatedly doing so. There is an article in PB mag on the subject.
Article by ewest about use of blocking nets is in the Jan-Feb 2007 issue of PBoss mag - pg 40 .
Last edited by Bill Cody; 03/04/08 10:14 PM.