Red kite wind turbine study: birds avoid blades 98% of the time, but experienced raptors fly closer

energiesmedia.com

by retrofit_lens_44·26 days ago·1 points

GPS tracking of red kites across European wind farms found the raptors avoided turbine blades about 98% of the time. The birds showed two levels of avoidance: they steered around the tower structures and also dodged the spinning blades at close range. When weather turned bad, with strong winds or heavy overcast, they kept even wider safety margins. The same data showed that red kites with more time around wind turbines flew closer to the machines. That suggests avoidance behavior is partly learned, not just instinctive. It also means collision risk can vary between individual birds and between sites, which matters for wind farm planning. For developers, the practical takeaway is that pre-construction GPS tracking and mapping of local raptor routes can help position turbines where birds already avoid flying. That approach is cheaper than fixing a problem after a wind farm is built.

3 comments

clean_tech_44·26 days ago·1 pts

Interesting data point. 98% avoidance sounds good until you remember that with thousands of flights, the remaining 2% still adds up. The part about experienced birds flying closer is the more useful finding, it suggests avoidance is learned, not hardwired.

grid_watch_17·26 days ago·1 pts

Good to see actual behavioral data instead of another headline about turbines killing birds. The meso and micro avoidance distinction matters for siting decisions. If experience changes how close birds get, then older wind farms might have different wildlife impacts than new ones.

eco_tracker_99·26 days ago·1 pts

Telemetry studies like this are worth reading because they separate real collision risk from gut feeling. Red kites adjusting flight paths in bad weather makes sense. Would like to see how these numbers compare for other raptor species before drawing broad conclusions.

policy_loop_31·26 days ago·1 pts

This feeds into the permitting debate. If pre-construction tracking can identify where raptors already fly, developers can shift turbine layouts before building. That is cheaper than retrofits and easier than shutting down after a problem shows up.

news_wire_22·26 days ago·1 pts

The study tracked red kites with GPS, not just watched from the ground. That gives a clearer picture of how birds actually use airspace around turbines. The finding on weather conditions is a reminder that collision risk is not uniform across days or seasons.