![A radar study to relate the number of birds crossing an area to the number of fatal bird collisions at wind turbines | Tethys A radar study to relate the number of birds crossing an area to the number of fatal bird collisions at wind turbines | Tethys](https://tethys.pnnl.gov/sites/default/files/images/Radar_Story_2.jpg)
A radar study to relate the number of birds crossing an area to the number of fatal bird collisions at wind turbines | Tethys
![File:2019-05-19 (353) Liner radar Swiss Radar JFS 364 C from ship Kelheim at Kraftwerk Melk, Austria.jpg - Wikimedia Commons File:2019-05-19 (353) Liner radar Swiss Radar JFS 364 C from ship Kelheim at Kraftwerk Melk, Austria.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/4/40/2019-05-19_%28353%29_Liner_radar_Swiss_Radar_JFS_364_C_from_ship_Kelheim_at_Kraftwerk_Melk%2C_Austria.jpg)
File:2019-05-19 (353) Liner radar Swiss Radar JFS 364 C from ship Kelheim at Kraftwerk Melk, Austria.jpg - Wikimedia Commons
![Map showing the area covered by the Swiss radar composite along with... | Download Scientific Diagram Map showing the area covered by the Swiss radar composite along with... | Download Scientific Diagram](https://www.researchgate.net/publication/309643824/figure/fig1/AS:669530741305353@1536639976855/Map-showing-the-area-covered-by-the-Swiss-radar-composite-along-with-the-orography-the.jpg)