sentences:  However, thorny issues plague the project including the presence of potentially vulnerable species of goldenrod in the vicinity of the proposed site, as well as the asserted danger to the migratory paths of birds and bats.Hoosac Wind achieved tentative approval from both Florida and Monroe after taking considerable amounts of wind-speed and direction data, along with avian, archeological, geological, and wildlife studies which were conducted as well.In January 2006, Hoosac Wind LLC was purchased by the British company PPM Energy for an estimated US$40 million, PPM was subsequently absorbed by Iberdrola Renewables.