3 ms·
It's a non-existing problem tho: https://phys.org/news/2017-06-farms-bird-slayers-theyre-behere.html https://phys.org/news/2017-06-farms-bird-slayers-theyre-beh
by DenisM 8y ago
It's a non-existing problem tho: https://phys.org/news/2017-06-farms-bird-slayers-theyre-behere.html https://phys.org/news/2017-06-farms-bird-slayers-theyre-behe...