Green groups have demanded stricter rules around the impact of renewables on native wildlife after a major developer revealed one of its wind farms in southern NSW had killed 20 wedge-tailed eagles in the past 18 months. Tilt Renewables, the owner of the 66-turbine Rye Park wind farm near Yass, told a meeting of a community groups on Tuesday it was looking at new mitigation measures after the project led to a higher than expected number of bird …