For Starling Control, the following websites offer some alternatives to avicides
(which are tightly regulated in BC i.e. permit restricted):
http://wlapwww.gov.bc.ca/epd/ipm/docs/chap11.html
http://www.gov.nb.ca/0078/f&w/nw/starling.htm
http://muextension.missouri.edu/xplor/miscpubs/mx0139.htm
The following site has good tips for removing starling nests and some
caveats about some repellent devices:
http://www.wildlifedamagecontrol.com/starlings.htm
