Reducing Avian Collisions with Power Lines: State of the Art in 2012.

The U.S. Fish and Wildlife Service (Service) and the Avian Power Line Interaction Committee (APLIC) released their updated state-of-the-art guidance document Reducing Avian Collisions with Power Lines: State of the Art in 2012. This manual, originally published in 1994, identifies best practices and provides specific guidance to help electric utilities and cooperatives, federal power administrations, wildlife agencies and other stakeholders reduce bird collisions with power lines. 

Read this on their website or order one from them online.