[Comment: Pesticides and never the answer. Changing pesticides merely moves from one complication to another. Our zeal to control mosquito results in more harm than good and is largely a fear based tactic in which people are instilled with fear of disease that leads to the sale and use of these unnescessary toxic products. Human health is harmed too.]
Mosquito spray affects bird reproduction
http://www.nature.com/news/2010/100615/full/news.2010.296.html
"Spraying Bti to control mosquitoes may hit bird populations. A widely used microbicide may not be as environmentally friendly as previously thought."
http://www.nature.com/news/2010/100615/full/news.2010.296.html
"Spraying Bti to control mosquitoes may hit bird populations. A widely used microbicide may not be as environmentally friendly as previously thought."