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Wind farms are always subject to Environmental Impact Assessment to ensure that their potential effect on the immediate surroundings, including fauna and flora, are carefully considered before construction is allowed to start.

Deaths from birds flying into wind turbines represent only a tiny fraction of those caused by other human-related sources such as vehicles and buildings.


Description: http://www.mtemeraldwindfarm.com.au/images/environments_birds_1.jpg

Summary and Comparison of Bird Mortality from Anthropogenic Causes with an Emphasis on Collisions – carried out by US Forest Service.

A 2012 study carried out in the UK (Pearce- Higgins et al.) concluded that a large majority of species can co-exist or thrive with wind farms once they are operating (Journal of Applied Ecology).

A large number of studies have been undertaken on the Effects of Wind Turbines on Birds and Bats in the US and Europe, with required studies at all wind farm sites in Australia over the past 10yrs.  The key conclusions that they make are that:

  • While bird collisions do occur (with commercial wind turbines) the impacts on global populations appears to be relatively minor, especially in comparison with other human-related causes of mortality

All Australian wind farm sites conduct ongoing monitoring as part of their Development Approval conditions, and that includes monitoring of bird and bat mortality.  RATCH-Australia’s Integrated Management System includes undertaking and reporting on monitoring results to management and relevant regulatory authorities on a regular basis.